JAMB Full Prediction Practice Pack
2,000 original multiple-choice practice questions
Use of English - Biology - Chemistry - Physics
This PDF contains 500 original practice questions for each subject. Each item includes four options, the correct answer, a short
explanation, a topic label, and a likelihood rating. The questions are organized by subject and broadly prioritized from higher-yield areas
to lower-frequency areas.
Study note: this pack is an original practice resource designed around the official syllabus, common JAMB-style wording, and frequently
tested topic areas. It is not an official JAMB paper.
Subjects | Questions |
Use of English | 500 |
Biology | 500 |
Chemistry | 500 |
Physics | 500 |
Total | 2,000 |
JAMB 2000 Original Practice Pack Page 1Use of English
500 original multiple-choice questions with answers, explanations, topic labels, and likelihood ratings.
Section 1: Most repeated topics
- Lexis and structure
- Sentence completion
- Synonyms and antonyms in context
- Comprehension and summary
- Registers and idiomatic expressions
- Oral English: vowels, consonants, stress, homophones
- Sentence interpretation
- Reading-text / literary understanding
Section 2: This year's likely focus areas
High priority: Lexis and structure, Comprehension and summary, Oral forms, Idioms, registers, and sentence meaning
Medium priority: Punctuation and capitalization, General literary understanding, Less frequent concord traps
Low priority: Rare pronunciation exceptions, Uncommon register items
Section 3: 500 original questions
Questions are ordered broadly from higher-yield areas to lower-frequency areas within the subject.
JAMB 2000 Original Practice Pack Page 2Question 1 Topic: Concord and Structure Likelihood: High
Question: Neither the principal nor the teachers _____ ready for the inspection.
A. has been
B. is
C. were
D. was
Correct Answer: C
Explanation: With 'neither...nor', the verb agrees with the noun nearest to it; 'teachers' is plural.
Question 2 Topic: Concord and Structure Likelihood: High
Question: Either the chairman or his assistants _____ to blame for the error.
A. is
B. has been
C. was
D. are
Correct Answer: D
Explanation: The verb agrees with the nearer subject 'assistants', which is plural.
Question 3 Topic: Concord and Structure Likelihood: High
Question: Each of the candidates _____ given a registration number.
A. were
B. have been
C. was
D. are
Correct Answer: C
Explanation: The head word is 'each', which takes a singular verb.
Question 4 Topic: Concord and Structure Likelihood: High
Question: One of the boys who _____ late has apologized.
A. was
B. is
C. has
D. were
Correct Answer: D
Explanation: The relative clause refers to 'boys', so the plural verb 'were' is required.
Question 5 Topic: Concord and Structure Likelihood: High
Question: The committee _____ its report tomorrow.
A. submit
B. are submitting
C. have submitted
D. submits
Correct Answer: D
Explanation: A collective noun acting as a unit takes a singular verb.
Question 6 Topic: Concord and Structure Likelihood: High
Question: Bread and butter _____ his usual breakfast.
A. were
B. are
C. is
D. have been
Correct Answer: C
Explanation: When two nouns express one idea, they take a singular verb.
Question 7 Topic: Concord and Structure Likelihood: High
Question: The news _____ encouraging this morning.
A. are
B. have been
C. is
D. were
Correct Answer: C
Explanation: Though it ends in -s, 'news' is singular.
Question 8 Topic: Concord and Structure Likelihood: High
Question: Everybody in the hall _____ asked to remain seated.
A. was
B. have been
C. were
D. are
Correct Answer: A
Explanation: Indefinite pronouns like 'everybody' take singular verbs.
Question 9 Topic: Concord and Structure Likelihood: High
Question: A number of students _____ absent yesterday.
A. is
B. has been
C. were
D. was
JAMB 2000 Original Practice Pack Page 3Correct Answer: C
Explanation: The phrase 'a number of' takes a plural verb.
Question 10 Topic: Concord and Structure Likelihood: High
Question: The number of applicants _____ increased sharply.
A. are
B. have
C. were
D. has
Correct Answer: D
Explanation: The subject is 'number', which is singular.
Question 11 Topic: Concord and Structure Likelihood: High
Question: No sooner had the bell rung than the pupils _____ into the hall.
A. were trooping
B. had trooped
C. troop
D. trooped
Correct Answer: D
Explanation: After 'had rung', simple past fits the completed action.
Question 12 Topic: Concord and Structure Likelihood: High
Question: Hardly had she entered when the audience _____ clapping.
A. starts
B. start
C. started
D. had started
Correct Answer: C
Explanation: The sequence 'Hardly had... when...' normally takes the simple past after 'when'
.
Question 13 Topic: Concord and Structure Likelihood: High
Question: Ten kilometres _____ a long distance to walk every morning.
A. were
B. have been
C. are
D. is
Correct Answer: D
Explanation: Distances treated as a single quantity take singular verbs.
Question 14 Topic: Concord and Structure Likelihood: High
Question: My trousers _____ too tight for me.
A. are
B. is
C. has been
D. was
Correct Answer: A
Explanation: Plural-only nouns like 'trousers' take plural verbs.
Question 15 Topic: Concord and Structure Likelihood: High
Question: Not only the driver but also the passengers _____ injured.
A. has been
B. were
C. is
D. was
Correct Answer: B
Explanation: The verb agrees with the nearer plural subject 'passengers'
.
Question 16 Topic: Concord and Structure Likelihood: High
Question: The list of items _____ on the table.
A. are
B. have been
C. were
D. is
Correct Answer: D
Explanation: The subject is 'list', not 'items'
.
Question 17 Topic: Concord and Structure Likelihood: High
Question: Many a student _____ made the same mistake.
A. have
B. were
C. has
D. are
Correct Answer: C
Explanation: The expression 'many a' takes a singular verb.
Question 18 Topic: Concord and Structure Likelihood: High
Question: The jury _____ unable to reach a unanimous decision.
JAMB 2000 Original Practice Pack Page 4A. are
B. have
C. were
D. was
Correct Answer: D
Explanation: In standard JAMB-style concord, the jury is treated as singular here.
Question 19 Topic: Concord and Structure Likelihood: High
Question: One-third of the water _____ already evaporated.
A. has
B. have
C. are
D. were
Correct Answer: A
Explanation: The fraction refers to the singular noun 'water'
.
Question 20 Topic: Concord and Structure Likelihood: High
Question: One-third of the workers _____ already been paid.
A. have
B. is
C. was
D. has
Correct Answer: A
Explanation: The fraction refers to the plural noun 'workers'
.
Question 21 Topic: Concord and Structure Likelihood: High
Question: Neither of the answers _____ correct.
A. is
B. have been
C. were
D. are
Correct Answer: A
Explanation: The pronoun 'neither' takes a singular verb.
Question 22 Topic: Concord and Structure Likelihood: High
Question: What he needs most _____ patience and practice.
A. are
B. have been
C. were
D. is
Correct Answer: D
Explanation: The subject clause 'What he needs most' is singular.
Question 23 Topic: Concord and Structure Likelihood: High
Question: The cattle _____ grazing in the field.
A. was
B. has been
C. are
D. is
Correct Answer: C
Explanation: Cattle is treated as a plural noun.
Question 24 Topic: Concord and Structure Likelihood: High
Question: Physics _____ my favourite subject.
A. were
B. is
C. are
D. have been
Correct Answer: B
Explanation: Names of academic subjects ending in -s are singular.
Question 25 Topic: Concord and Structure Likelihood: High
Question: A pair of scissors _____ on the desk.
A. are
B. have
C. is
D. were
Correct Answer: C
Explanation: The subject is 'pair', which is singular.
Question 26 Topic: Concord and Structure Likelihood: High
Question: The rich _____ not always happy.
A. has been
B. was
C. is
D. are
Correct Answer: D
JAMB 2000 Original Practice Pack Page 5Explanation: Adjectives used as plural nouns take plural verbs.
Question 27 Topic: Concord and Structure Likelihood: High
Question: There _____ several reasons for the delay.
A. is
B. has been
C. are
D. was
Correct Answer: C
Explanation: The real subject 'reasons' is plural.
Question 28 Topic: Concord and Structure Likelihood: High
Question: There _____ a serious reason for the protest.
A. have been
B. are
C. is
D. were
Correct Answer: C
Explanation: The real subject 'reason' is singular.
Question 29 Topic: Concord and Structure Likelihood: High
Question: The quality of the mangoes _____ poor.
A. is
B. are
C. were
D. have
Correct Answer: A
Explanation: The subject is 'quality', which is singular.
Question 30 Topic: Concord and Structure Likelihood: High
Question: More than one candidate _____ involved in the incident.
A. are
B. was
C. have been
D. were
Correct Answer: B
Explanation: The expression 'more than one' usually takes a singular verb.
Question 31 Topic: Concord and Structure Likelihood: High
Question: To travel by night _____ risky on that road.
A. is
B. have been
C. were
D. are
Correct Answer: A
Explanation: An infinitive phrase used as subject takes a singular verb.
Question 32 Topic: Concord and Structure Likelihood: High
Question: Collecting old coins _____ his hobby.
A. is
B. are
C. were
D. have been
Correct Answer: A
Explanation: A gerund phrase used as subject takes a singular verb.
Question 33 Topic: Concord and Structure Likelihood: High
Question: The manager, together with his clerks, _____ attending the seminar.
A. are
B. have
C. is
D. were
Correct Answer: C
Explanation: The phrase 'together with his clerks' does not change the singular subject.
Question 34 Topic: Concord and Structure Likelihood: High
Question: The furniture in this room _____ beautifully arranged.
A. are
B. were
C. is
D. have been
Correct Answer: C
Explanation: 'Furniture' is an uncountable noun and takes a singular verb.
Question 35 Topic: Concord and Structure Likelihood: High
Question: None of the milk _____ wasted.
A. were
JAMB 2000 Original Practice Pack Page 6B. are
C. have been
D. was
Correct Answer: D
Explanation: The noun 'milk' is singular/uncountable here.
Question 36 Topic: Concord and Structure Likelihood: High
Question: None of the books _____ missing.
A. was
B. is
C. has
D. are
Correct Answer: B
Explanation: With a plural noun like 'books', plural agreement is acceptable and expected here.
Question 37 Topic: Concord and Structure Likelihood: High
Question: Either of the roads _____ suitable for the trip.
A. is
B. were
C. are
D. have been
Correct Answer: A
Explanation: 'Either' takes a singular verb.
Question 38 Topic: Concord and Structure Likelihood: High
Question: The police _____ investigating the robbery.
A. is
B. are
C. has been
D. was
Correct Answer: B
Explanation: 'Police' takes a plural verb.
Question 39 Topic: Concord and Structure Likelihood: High
Question: Her earnings _____ enough to support the family.
A. has
B. is
C. was
D. are
Correct Answer: D
Explanation: Plural noun form takes plural agreement here.
Question 40 Topic: Concord and Structure Likelihood: High
Question: The audience _____ silent throughout the performance.
A. are
B. were
C. was
D. have
Correct Answer: C
Explanation: As a collective acting as one body, 'audience' takes a singular verb.
Question 41 Topic: Tense and Conditional Structures Likelihood: High
Question: If the workers had been informed early, they _____ the meeting.
A. will attend
B. would attend
C. would have attended
D. attended
Correct Answer: C
Explanation: A past unreal condition takes 'would have' + past participle.
Question 42 Topic: Tense and Conditional Structures Likelihood: High
Question: If she studies harder, she _____ the scholarship.
A. wins
B. would win
C. won
D. will win
Correct Answer: D
Explanation: A real future condition takes simple present in the if-clause and 'will' in the main clause.
Question 43 Topic: Tense and Conditional Structures Likelihood: High
Question: By this time tomorrow, the team _____ the project.
A. would complete
B. will have completed
C. has completed
D. completes
Correct Answer: B
Explanation: The action will be completed before a future point, so future perfect is needed.
JAMB 2000 Original Practice Pack Page 7Question 44 Topic: Tense and Conditional Structures Likelihood: High
Question: When we got to the station, the train _____.
A. left
B. had left
C. was leaving
D. has left
Correct Answer: B
Explanation: The earlier past action takes the past perfect.
Question 45 Topic: Tense and Conditional Structures Likelihood: High
Question: I _____ him for years before he finally recognized me.
A. have known
B. had known
C. know
D. knew
Correct Answer: B
Explanation: An action that happened before another past action takes the past perfect.
Question 46 Topic: Tense and Conditional Structures Likelihood: High
Question: She has lived here _____ 2018.
A. at
B. for
C. from
D. since
Correct Answer: D
Explanation: 'Since' is used with a starting point in time.
Question 47 Topic: Tense and Conditional Structures Likelihood: High
Question: We have waited here _____ three hours.
A. since
B. from
C. for
D. at
Correct Answer: C
Explanation: 'For' is used with a period of time.
Question 48 Topic: Tense and Conditional Structures Likelihood: High
Question: He speaks as if he _____ everything.
A. has known
B. knew
C. knows
D. had known
Correct Answer: B
Explanation: After 'as if' for an unreal present situation, past tense is used.
Question 49 Topic: Tense and Conditional Structures Likelihood: High
Question: I wish I _____ taller.
A. am
B. was
C. have been
D. were
Correct Answer: D
Explanation: The subjunctive 'were' is used after 'wish' for unreal present situations.
Question 50 Topic: Tense and Conditional Structures Likelihood: High
Question: Scarcely _____ the hall when the lights went out.
A. did we enter
B. we entered
C. have we entered
D. had we entered
Correct Answer: D
Explanation: After negative adverbials like 'scarcely', inversion is required.
Question 51 Topic: Tense and Conditional Structures Likelihood: High
Question: No sooner _____ the baby asleep than it started raining.
A. the mother had put
B. has the mother put
C. did the mother put
D. had the mother put
Correct Answer: D
Explanation: No sooner... than takes inverted past perfect.
Question 52 Topic: Tense and Conditional Structures Likelihood: High
Question: He would rather you _____ tomorrow.
A. came
B. had come
C. will come
JAMB 2000 Original Practice Pack Page 8D. come
Correct Answer: A
Explanation: 'Would rather' for preference about another person's action takes past tense.
Question 53 Topic: Tense and Conditional Structures Likelihood: High
Question: She is one of those teachers who always _____ their lessons well.
A. prepare
B. prepared
C. has prepared
D. prepares
Correct Answer: A
Explanation: The clause refers to 'teachers', so the plural verb is needed.
Question 54 Topic: Tense and Conditional Structures Likelihood: High
Question: The man, as well as his sons, _____ invited.
A. are
B. was
C. have been
D. were
Correct Answer: B
Explanation: 'As well as his sons' does not change the singular subject.
Question 55 Topic: Tense and Conditional Structures Likelihood: High
Question: If I _____ you, I would accept the offer.
A. were
B. had been
C. am
D. was
Correct Answer: A
Explanation: The subjunctive 'were' is used after 'if I were you'
.
Question 56 Topic: Tense and Conditional Structures Likelihood: High
Question: He denied _____ the money.
A. stealing
B. to steal
C. steal
D. to have stolen
Correct Answer: A
Explanation: The verb 'deny' is followed by a gerund.
Question 57 Topic: Tense and Conditional Structures Likelihood: High
Question: The lecturer objected to _____ interrupted.
A. be
B. been
C. have been
D. being
Correct Answer: D
Explanation: The preposition 'to' is followed by a gerund; passive form is needed.
Question 58 Topic: Tense and Conditional Structures Likelihood: High
Question: Before the chairman arrived, the guests _____.
A. have settled down
B. were settling down
C. settled down
D. had settled down
Correct Answer: D
Explanation: The action happened before another past event.
Question 59 Topic: Tense and Conditional Structures Likelihood: High
Question: He used to _____ there every weekend.
A. went
B. go
C. gone
D. going
Correct Answer: B
Explanation: 'Used to' is followed by the base form of the verb.
Question 60 Topic: Tense and Conditional Structures Likelihood: High
Question: This is the first time I _____ such a powerful speech.
A. had heard
B. hear
C. heard
D. have heard
Correct Answer: D
Explanation: With 'This is the first time...', the present perfect is used.
JAMB 2000 Original Practice Pack Page 9Question 61 Topic: Tense and Conditional Structures Likelihood: High
Question: It is high time the government _____ decisive action.
A. has taken
B. take
C. took
D. takes
Correct Answer: C
Explanation: The expression 'It is high time' takes past tense.
Question 62 Topic: Tense and Conditional Structures Likelihood: High
Question: The teacher insisted that every student _____ present.
A. is
B. are
C. be
D. was
Correct Answer: C
Explanation: After verbs of insistence, the subjunctive base form is used.
Question 63 Topic: Tense and Conditional Structures Likelihood: High
Question: Had he listened to advice, he _____ into trouble.
A. would not have fallen
B. will not fall
C. did not fall
D. would not fall
Correct Answer: A
Explanation: An inverted past unreal condition takes 'would not have' + past participle.
Question 64 Topic: Tense and Conditional Structures Likelihood: High
Question: After _____ the letter, she burst into tears.
A. having read
B. reading
C. to read
D. read
Correct Answer: B
Explanation: A preposition is followed by a gerund; 'reading' is the neatest option here.
Question 65 Topic: Tense and Conditional Structures Likelihood: High
Question: You need not _____ at once.
A. replied
B. to reply
C. reply
D. replying
Correct Answer: C
Explanation: A modal auxiliary is followed by the base form.
Question 66 Topic: Tense and Conditional Structures Likelihood: High
Question: The match _____ before we got there.
A. began
B. has begun
C. had begun
D. was beginning
Correct Answer: C
Explanation: The beginning took place before another past action.
Question 67 Topic: Tense and Conditional Structures Likelihood: High
Question: She was too tired _____ continue.
A. that
B. for
C. so
D. to
Correct Answer: D
Explanation: The pattern is 'too + adjective + to + verb'
.
Question 68 Topic: Tense and Conditional Structures Likelihood: High
Question: We look forward to _____ from you soon.
A. hearing
B. have heard
C. hear
D. heard
Correct Answer: A
Explanation: 'Look forward to' takes a gerund.
Question 69 Topic: Tense and Conditional Structures Likelihood: High
Question: Having _____ the form, he submitted it immediately.
A. complete
B. completed
C. completing
D. been completing
JAMB 2000 Original Practice Pack Page 10Correct Answer: B
Explanation: After 'having', the past participle is used.
Question 70 Topic: Tense and Conditional Structures Likelihood: High
Question: If the rain _____, the farmers will rejoice.
A. would continue
B. continued
C. will continue
D. continues
Correct Answer: D
Explanation: In a real future condition, the if-clause takes the simple present.
Question 71 Topic: Tense and Conditional Structures Likelihood: High
Question: She _____ television when the visitors arrived.
A. watched
B. had watched
C. was watching
D. has watched
Correct Answer: C
Explanation: The past continuous shows an action in progress when another occurred.
Question 72 Topic: Tense and Conditional Structures Likelihood: High
Question: I would have helped you if you _____ me earlier.
A. have told
B. would tell
C. had told
D. told
Correct Answer: C
Explanation: A past unreal conditional takes past perfect in the if-clause.
Question 73 Topic: Tense and Conditional Structures Likelihood: High
Question: Until he apologized, I _____ to him.
A. have not spoken
B. had not spoken
C. was not speaking
D. did not speak
Correct Answer: B
Explanation: The past perfect negative is used to show the prior action.
Question 74 Topic: Prepositions and Collocations Likelihood: High
Question: The driver was charged _____ dangerous driving.
A. of
B. with
C. for
D. on
Correct Answer: B
Explanation: The correct collocation is 'charged with'
.
Question 75 Topic: Prepositions and Collocations Likelihood: High
Question: She is good _____ Mathematics.
A. on
B. with
C. in
D. at
Correct Answer: D
Explanation: The correct expression is 'good at'
.
Question 76 Topic: Prepositions and Collocations Likelihood: High
Question: The students congratulated him _____ his success.
A. for
B. about
C. with
D. on
Correct Answer: D
Explanation: We say 'congratulate someone on something'
.
Question 77 Topic: Prepositions and Collocations Likelihood: High
Question: He is absent _____ school today.
A. off
B. to
C. at
D. from
Correct Answer: D
Explanation: The normal expression is 'absent from school'
.
Question 78 Topic: Prepositions and Collocations Likelihood: High
Question: The witness objected _____ the question.
JAMB 2000 Original Practice Pack Page 11A. to
B. for
C. against
D. with
Correct Answer: A
Explanation: The verb 'object' takes the preposition 'to'
.
Question 79 Topic: Prepositions and Collocations Likelihood: High
Question: He is married _____ a medical doctor.
A. by
B. to
C. on
D. with
Correct Answer: B
Explanation: The correct phrase is 'married to'
.
Question 80 Topic: Prepositions and Collocations Likelihood: High
Question: The manager was angry _____ the careless clerk.
A. at
B. with
C. by
D. to
Correct Answer: B
Explanation: We say 'angry with someone'
.
Question 81 Topic: Prepositions and Collocations Likelihood: High
Question: The old man has great affection _____ his grandchildren.
A. for
B. to
C. on
D. with
Correct Answer: A
Explanation: The correct collocation is 'affection for'
.
Question 82 Topic: Prepositions and Collocations Likelihood: High
Question: The girl insisted _____ paying for the meal.
A. on
B. for
C. to
D. at
Correct Answer: A
Explanation: The verb 'insist' takes 'on'
.
Question 83 Topic: Prepositions and Collocations Likelihood: High
Question: The villagers appealed _____ the governor for help.
A. on
B. at
C. to
D. with
Correct Answer: C
Explanation: The correct pattern is 'appealed to the governor'
.
Question 84 Topic: Prepositions and Collocations Likelihood: High
Question: I prefer coffee _____ tea in the morning.
A. with
B. over
C. to
D. than
Correct Answer: C
Explanation: The standard pattern is 'prefer X to Y'
.
Question 85 Topic: Prepositions and Collocations Likelihood: High
Question: The principal is responsible _____ discipline in the school.
A. to
B. on
C. for
D. with
Correct Answer: C
Explanation: We say 'responsible for'
.
Question 86 Topic: Prepositions and Collocations Likelihood: High
Question: She takes pride _____ her neat handwriting.
A. on
B. in
C. for
D. with
Correct Answer: B
JAMB 2000 Original Practice Pack Page 12Explanation: The expression is 'take pride in'
.
Question 87 Topic: Prepositions and Collocations Likelihood: High
Question: The workers protested _____ the unfair deduction.
A. for
B. with
C. about
D. against
Correct Answer: D
Explanation: The correct collocation is 'protest against'
.
Question 88 Topic: Prepositions and Collocations Likelihood: High
Question: He was prevented _____ entering the hall.
A. with
B. to
C. from
D. against
Correct Answer: C
Explanation: The verb 'prevent' takes 'from'
.
Question 89 Topic: Prepositions and Collocations Likelihood: High
Question: Do not interfere _____ other people's affairs.
A. to
B. with
C. for
D. on
Correct Answer: B
Explanation: The correct collocation is 'interfere with'
.
Question 90 Topic: Prepositions and Collocations Likelihood: High
Question: The boys were eager _____ the holiday to begin.
A. at
B. for
C. about
D. with
Correct Answer: B
Explanation: The correct expression is 'eager for'
.
Question 91 Topic: Prepositions and Collocations Likelihood: High
Question: My father has no interest _____ football.
A. with
B. for
C. on
D. in
Correct Answer: D
Explanation: The noun 'interest' takes 'in'
.
Question 92 Topic: Prepositions and Collocations Likelihood: High
Question: The child was accused _____ stealing mangoes.
A. from
B. for
C. of
D. with
Correct Answer: C
Explanation: We say 'accused of'
.
Question 93 Topic: Prepositions and Collocations Likelihood: High
Question: Our visit was postponed _____ next week.
A. until
B. by
C. for
D. to
Correct Answer: A
Explanation: 'Postponed until next week' is the correct structure.
Question 94 Topic: Prepositions and Collocations Likelihood: High
Question: He arrived _____ the airport just before noon.
A. at
B. to
C. on
D. in
Correct Answer: A
Explanation: We arrive 'at' specific places like the airport.
Question 95 Topic: Prepositions and Collocations Likelihood: High
Question: The report was divided _____ three sections.
A. to
JAMB 2000 Original Practice Pack Page 13B. into
C. in
D. by
Correct Answer: B
Explanation: The phrase is 'divided into'
.
Question 96 Topic: Prepositions and Collocations Likelihood: High
Question: The medicine had no effect _____ the patient.
A. at
B. to
C. for
D. on
Correct Answer: D
Explanation: The correct collocation is 'effect on'
.
Question 97 Topic: Prepositions and Collocations Likelihood: High
Question: The teacher was pleased _____ the improvement shown by the class.
A. for
B. on
C. to
D. with
Correct Answer: D
Explanation: We say 'pleased with'
.
Question 98 Topic: Prepositions and Collocations Likelihood: High
Question: She apologized _____ the delay.
A. with
B. to
C. for
D. on
Correct Answer: C
Explanation: The pattern is 'apologized for the delay'
.
Question 99 Topic: Prepositions and Collocations Likelihood: High
Question: The interview will begin _____ 9:00 a.m.
A. on
B. in
C. by
D. at
Correct Answer: D
Explanation: We use 'at' with clock time.
Question 100 Topic: Prepositions and Collocations Likelihood: High
Question: The festival usually holds _____ August.
A. by
B. on
C. in
D. at
Correct Answer: C
Explanation: Months take the preposition 'in'
.
Question 101 Topic: Prepositions and Collocations Likelihood: High
Question: The meeting is scheduled _____ Monday morning.
A. at
B. for
C. on
D. in
Correct Answer: B
Explanation: 'Scheduled for' is the natural collocation here.
Question 102 Topic: Prepositions and Collocations Likelihood: High
Question: He has been absent _____ work since Tuesday.
A. off
B. from
C. at
D. to
Correct Answer: B
Explanation: The correct expression is 'absent from work'
.
Question 103 Topic: Prepositions and Collocations Likelihood: High
Question: She was trembling _____ fear.
A. for
B. with
C. in
D. by
Correct Answer: B
Explanation: The idiomatic expression is 'trembling with fear'
.
JAMB 2000 Original Practice Pack Page 14Question 104 Topic: Prepositions and Collocations Likelihood: High
Question: The luggage belongs _____ that passenger.
A. for
B. by
C. with
D. to
Correct Answer: D
Explanation: The verb 'belong' takes 'to'
.
Question 105 Topic: Prepositions and Collocations Likelihood: High
Question: The speaker called _____ calm during the protest.
A. to
B. for
C. on
D. at
Correct Answer: B
Explanation: We say 'call for calm'
.
Question 106 Topic: Prepositions and Collocations Likelihood: High
Question: The visitors were impressed _____ the school's facilities.
A. at
B. with
C. by
D. to
Correct Answer: C
Explanation: The pattern is 'impressed by' something.
Question 107 Topic: Prepositions and Collocations Likelihood: High
Question: The project depends _____ timely funding.
A. for
B. on
C. of
D. with
Correct Answer: B
Explanation: 'Depends on' is the correct collocation.
Question 108 Topic: Prepositions and Collocations Likelihood: High
Question: He was found guilty _____ fraud.
A. about
B. for
C. with
D. of
Correct Answer: D
Explanation: The expression is 'guilty of'
.
Question 109 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was abundant, not forced,' the word closest in meaning to 'abundant' is
A. scarce
B. uncertain
C. plentiful
D. costly
Correct Answer: C
Explanation: 'abundant' is closest in meaning to 'plentiful'
.
Question 110 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was brief, not forced,' the word closest in meaning to 'brief' is
A. hidden
B. careless
C. short
D. faint
Correct Answer: C
Explanation: 'brief' is closest in meaning to 'short'
.
Question 111 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was cautious, not forced,' the word closest in meaning to 'cautious' is
A. careful
B. noisy
C. greedy
D. joyful
Correct Answer: A
Explanation: 'cautious' is closest in meaning to 'careful'
.
Question 112 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was commend, not forced,' the word closest in meaning to 'commend' is
A. refuse
B. praise
C. punish
JAMB 2000 Original Practice Pack Page 15D. delay
Correct Answer: B
Explanation: 'commend' is closest in meaning to 'praise'
.
Question 113 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was diligent, not forced,' the word closest in meaning to 'diligent' is
A. careless
B. slow
C. wasteful
D. hardworking
Correct Answer: D
Explanation: 'diligent' is closest in meaning to 'hardworking'
.
Question 114 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was eliminate, not forced,' the word closest in meaning to 'eliminate' is
A. delay
B. admire
C. increase
D. remove
Correct Answer: D
Explanation: 'eliminate' is closest in meaning to 'remove'
.
Question 115 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was feasible, not forced,' the word closest in meaning to 'feasible' is
A. strange
B. expensive
C. possible
D. urgent
Correct Answer: C
Explanation: 'feasible' is closest in meaning to 'possible'
.
Question 116 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was frugal, not forced,' the word closest in meaning to 'frugal' is
A. nervous
B. economical
C. lavish
D. careless
Correct Answer: B
Explanation: 'frugal' is closest in meaning to 'economical'
.
Question 117 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was hostile, not forced,' the word closest in meaning to 'hostile' is
A. patient
B. obedient
C. unfriendly
D. cheerful
Correct Answer: C
Explanation: 'hostile' is closest in meaning to 'unfriendly'
.
Question 118 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was immense, not forced,' the word closest in meaning to 'immense' is
A. hidden
B. steady
C. brief
D. huge
Correct Answer: D
Explanation: 'immense' is closest in meaning to 'huge'
.
Question 119 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was keen, not forced,' the word closest in meaning to 'keen' is
A. silent
B. crooked
C. eager
D. bitter
Correct Answer: C
Explanation: 'keen' is closest in meaning to 'eager'
.
Question 120 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was lucrative, not forced,' the word closest in meaning to 'lucrative' is
A. expensive
B. profitable
C. ordinary
D. dangerous
Correct Answer: B
Explanation: 'lucrative' is closest in meaning to 'profitable'
.
JAMB 2000 Original Practice Pack Page 16Question 121 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was obsolete, not forced,' the word closest in meaning to 'obsolete' is
A. outdated
B. careful
C. useful
D. modern
Correct Answer: A
Explanation: 'obsolete' is closest in meaning to 'outdated'
.
Question 122 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was prompt, not forced,' the word closest in meaning to 'prompt' is
A. careless
B. immediate
C. uncertain
D. late
Correct Answer: B
Explanation: 'prompt' is closest in meaning to 'immediate'
.
Question 123 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was reluctant, not forced,' the word closest in meaning to 'reluctant' is
A. eager
B. friendly
C. unwilling
D. certain
Correct Answer: C
Explanation: 'reluctant' is closest in meaning to 'unwilling'
.
Question 124 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was scarce, not forced,' the word closest in meaning to 'scarce' is
A. broad
B. ready
C. rare
D. useful
Correct Answer: C
Explanation: 'scarce' is closest in meaning to 'rare'
.
Question 125 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was subtle, not forced,' the word closest in meaning to 'subtle' is
A. public
B. rapid
C. slight
D. harsh
Correct Answer: C
Explanation: 'subtle' is closest in meaning to 'slight'
.
Question 126 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was tedious, not forced,' the word closest in meaning to 'tedious' is
A. careful
B. boring
C. pleasant
D. useful
Correct Answer: B
Explanation: 'tedious' is closest in meaning to 'boring'
.
Question 127 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was vital, not forced,' the word closest in meaning to 'vital' is
A. cheap
B. hidden
C. essential
D. ordinary
Correct Answer: C
Explanation: 'vital' is closest in meaning to 'essential'
.
Question 128 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was witty, not forced,' the word closest in meaning to 'witty' is
A. clever
B. heavy
C. silent
D. bitter
Correct Answer: A
Explanation: 'witty' is closest in meaning to 'clever'
.
Question 129 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was ardent, not forced,' the word closest in meaning to 'ardent' is
A. brief
B. cold
C. careless
D. passionate
JAMB 2000 Original Practice Pack Page 17Correct Answer: D
Explanation: 'ardent' is closest in meaning to 'passionate'
.
Question 130 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was benevolent, not forced,' the word closest in meaning to 'benevolent' is
A. kind
B. greedy
C. hostile
D. rude
Correct Answer: A
Explanation: 'benevolent' is closest in meaning to 'kind'
.
Question 131 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was conspicuous, not forced,' the word closest in meaning to 'conspicuous' is
A. modest
B. secret
C. ordinary
D. noticeable
Correct Answer: D
Explanation: 'conspicuous' is closest in meaning to 'noticeable'
.
Question 132 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was deceive, not forced,' the word closest in meaning to 'deceive' is
A. mislead
B. assist
C. correct
D. comfort
Correct Answer: A
Explanation: 'deceive' is closest in meaning to 'mislead'
.
Question 133 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was erratic, not forced,' the word closest in meaning to 'erratic' is
A. careful
B. steady
C. proper
D. unpredictable
Correct Answer: D
Explanation: 'erratic' is closest in meaning to 'unpredictable'
.
Question 134 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was futile, not forced,' the word closest in meaning to 'futile' is
A. useless
B. costly
C. urgent
D. hopeful
Correct Answer: A
Explanation: 'futile' is closest in meaning to 'useless'
.
Question 135 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was grim, not forced,' the word closest in meaning to 'grim' is
A. cheerful
B. stern
C. loose
D. careless
Correct Answer: B
Explanation: 'grim' is closest in meaning to 'stern'
.
Question 136 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was humble, not forced,' the word closest in meaning to 'humble' is
A. proud
B. modest
C. violent
D. strict
Correct Answer: B
Explanation: 'humble' is closest in meaning to 'modest'
.
Question 137 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was intricate, not forced,' the word closest in meaning to 'intricate' is
A. direct
B. simple
C. complex
D. pleasant
Correct Answer: C
Explanation: 'intricate' is closest in meaning to 'complex'
.
Question 138 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was jubilant, not forced,' the word closest in meaning to 'jubilant' is
JAMB 2000 Original Practice Pack Page 18A. angry
B. careful
C. uncertain
D. joyful
Correct Answer: D
Explanation: 'jubilant' is closest in meaning to 'joyful'
.
Question 139 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was notorious, not forced,' the word closest in meaning to 'notorious' is
A. modest
B. famous for bad reasons
C. honourable
D. kind
Correct Answer: B
Explanation: 'notorious' is closest in meaning to 'famous for bad reasons'
.
Question 140 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was prudent, not forced,' the word closest in meaning to 'prudent' is
A. wise
B. wasteful
C. harsh
D. fearful
Correct Answer: A
Explanation: 'prudent' is closest in meaning to 'wise'
.
Question 141 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was robust, not forced,' the word closest in meaning to 'robust' is
A. timid
B. weak
C. tiny
D. strong
Correct Answer: D
Explanation: 'robust' is closest in meaning to 'strong'
.
Question 142 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was sincere, not forced,' the word closest in meaning to 'sincere' is
A. honest
B. deceitful
C. hostile
D. careless
Correct Answer: A
Explanation: 'sincere' is closest in meaning to 'honest'
.
Question 143 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was tranquil, not forced,' the word closest in meaning to 'tranquil' is
A. calm
B. bitter
C. noisy
D. hasty
Correct Answer: A
Explanation: 'tranquil' is closest in meaning to 'calm'
.
Question 144 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was vivid, not forced,' the word closest in meaning to 'vivid' is
A. brief
B. false
C. clear
D. dull
Correct Answer: C
Explanation: 'vivid' is closest in meaning to 'clear'
.
Question 145 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was zealous, not forced,' the word closest in meaning to 'zealous' is
A. lazy
B. enthusiastic
C. uncertain
D. silent
Correct Answer: B
Explanation: 'zealous' is closest in meaning to 'enthusiastic'
.
Question 146 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was apparent, not forced,' the word closest in meaning to 'apparent' is
A. complex
B. obvious
C. hidden
D. careless
Correct Answer: B
JAMB 2000 Original Practice Pack Page 19Explanation: 'apparent' is closest in meaning to 'obvious'
.
Question 147 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was concede, not forced,' the word closest in meaning to 'concede' is
A. delay
B. admit
C. deny
D. punish
Correct Answer: B
Explanation: 'concede' is closest in meaning to 'admit'
.
Question 148 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was frank, not forced,' the word closest in meaning to 'frank' is
A. open
B. shy
C. secret
D. careless
Correct Answer: A
Explanation: 'frank' is closest in meaning to 'open'
.
Question 149 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was graceful, not forced,' the word closest in meaning to 'graceful' is
A. elegant
B. dangerous
C. awkward
D. angry
Correct Answer: A
Explanation: 'graceful' is closest in meaning to 'elegant'
.
Question 150 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was harass, not forced,' the word closest in meaning to 'harass' is
A. trouble
B. comfort
C. praise
D. protect
Correct Answer: A
Explanation: 'harass' is closest in meaning to 'trouble'
.
Question 151 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was indifferent, not forced,' the word closest in meaning to 'indifferent' is
A. hopeful
B. unconcerned
C. careful
D. eager
Correct Answer: B
Explanation: 'indifferent' is closest in meaning to 'unconcerned'
.
Question 152 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was meagre, not forced,' the word closest in meaning to 'meagre' is
A. small
B. large
C. sharp
D. careless
Correct Answer: A
Explanation: 'meagre' is closest in meaning to 'small'
.
Question 153 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was resolute, not forced,' the word closest in meaning to 'resolute' is
A. uncertain
B. fearful
C. wasteful
D. determined
Correct Answer: D
Explanation: 'resolute' is closest in meaning to 'determined'
.
Question 154 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was upright, not forced,' the word closest in meaning to 'upright' is
A. weak
B. silent
C. honest
D. crooked
Correct Answer: C
Explanation: 'upright' is closest in meaning to 'honest'
.
Question 155 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was versatile, not forced,' the word closest in meaning to 'versatile' is
A. rigid
JAMB 2000 Original Practice Pack Page 20B. narrow
C. careless
D. multi-skilled
Correct Answer: D
Explanation: 'versatile' is closest in meaning to 'multi-skilled'
.
Question 156 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was weary, not forced,' the word closest in meaning to 'weary' is
A. fresh
B. tired
C. hostile
D. simple
Correct Answer: B
Explanation: 'weary' is closest in meaning to 'tired'
.
Question 157 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was yield, not forced,' the word closest in meaning to 'yield' is
A. reject
B. produce
C. hide
D. delay
Correct Answer: B
Explanation: 'yield' is closest in meaning to 'produce'
.
Question 158 Topic: Synonyms in Context Likelihood: High
Question: In the sentence, 'Her response was amicable, not forced,' the word closest in meaning to 'amicable' is
A. friendly
B. bitter
C. hostile
D. uncertain
Correct Answer: A
Explanation: 'amicable' is closest in meaning to 'friendly'
.
Question 159 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a abundant response to the proposal.
A. fresh
B. large
C. scarce
D. plentiful
Correct Answer: C
Explanation: The word opposite in meaning to 'abundant' is 'scarce'
.
Question 160 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a accept response to the proposal.
A. welcome
B. admit
C. agree
D. reject
Correct Answer: D
Explanation: The word opposite in meaning to 'accept' is 'reject'
.
Question 161 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a artificial response to the proposal.
A. natural
B. useful
C. beautiful
D. modern
Correct Answer: A
Explanation: The word opposite in meaning to 'artificial' is 'natural'
.
Question 162 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a bold response to the proposal.
A. strong
B. firm
C. brave
D. timid
Correct Answer: D
Explanation: The word opposite in meaning to 'bold' is 'timid'
.
Question 163 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a complex response to the proposal.
A. crowded
B. expensive
C. difficult
D. simple
Correct Answer: D
Explanation: The word opposite in meaning to 'complex' is 'simple'
.
JAMB 2000 Original Practice Pack Page 21Question 164 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a dawn response to the proposal.
A. dusk
B. morning
C. noon
D. sunrise
Correct Answer: A
Explanation: The word opposite in meaning to 'dawn' is 'dusk'
.
Question 165 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a expand response to the proposal.
A. contract
B. lengthen
C. multiply
D. broaden
Correct Answer: A
Explanation: The word opposite in meaning to 'expand' is 'contract'
.
Question 166 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a fertile response to the proposal.
A. remote
B. green
C. barren
D. humid
Correct Answer: C
Explanation: The word opposite in meaning to 'fertile' is 'barren'
.
Question 167 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a frequent response to the proposal.
A. brief
B. rare
C. regular
D. full
Correct Answer: B
Explanation: The word opposite in meaning to 'frequent' is 'rare'
.
Question 168 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a generous response to the proposal.
A. stingy
B. polite
C. wise
D. modest
Correct Answer: A
Explanation: The word opposite in meaning to 'generous' is 'stingy'
.
Question 169 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a honest response to the proposal.
A. dishonest
B. friendly
C. open
D. careful
Correct Answer: A
Explanation: The word opposite in meaning to 'honest' is 'dishonest'
.
Question 170 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a innocent response to the proposal.
A. plain
B. young
C. naive
D. guilty
Correct Answer: D
Explanation: The word opposite in meaning to 'innocent' is 'guilty'
.
Question 171 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a major response to the proposal.
A. minor
B. main
C. popular
D. chief
Correct Answer: A
Explanation: The word opposite in meaning to 'major' is 'minor'
.
Question 172 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a optimistic response to the proposal.
A. hopeful
B. pessimistic
C. bold
JAMB 2000 Original Practice Pack Page 22D. cheerful
Correct Answer: B
Explanation: The word opposite in meaning to 'optimistic' is 'pessimistic'
.
Question 173 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a permanent response to the proposal.
A. peaceful
B. important
C. temporary
D. lasting
Correct Answer: C
Explanation: The word opposite in meaning to 'permanent' is 'temporary'
.
Question 174 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a quiet response to the proposal.
A. silent
B. noisy
C. calm
D. private
Correct Answer: B
Explanation: The word opposite in meaning to 'quiet' is 'noisy'
.
Question 175 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a rigid response to the proposal.
A. firm
B. fixed
C. flexible
D. strong
Correct Answer: C
Explanation: The word opposite in meaning to 'rigid' is 'flexible'
.
Question 176 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a scarcity response to the proposal.
A. abundance
B. wealth
C. hunger
D. need
Correct Answer: A
Explanation: The word opposite in meaning to 'scarcity' is 'abundance'
.
Question 177 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a superior response to the proposal.
A. better
B. higher
C. inferior
D. firmer
Correct Answer: C
Explanation: The word opposite in meaning to 'superior' is 'inferior'
.
Question 178 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a victory response to the proposal.
A. honour
B. defeat
C. success
D. courage
Correct Answer: B
Explanation: The word opposite in meaning to 'victory' is 'defeat'
.
Question 179 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a accurate response to the proposal.
A. careless
B. inaccurate
C. neat
D. fast
Correct Answer: B
Explanation: The word opposite in meaning to 'accurate' is 'inaccurate'
.
Question 180 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a advance response to the proposal.
A. retreat
B. promote
C. improve
D. support
Correct Answer: A
Explanation: The word opposite in meaning to 'advance' is 'retreat'
.
JAMB 2000 Original Practice Pack Page 23Question 181 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a brisk response to the proposal.
A. active
B. slow
C. careful
D. light
Correct Answer: B
Explanation: The word opposite in meaning to 'brisk' is 'slow'
.
Question 182 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a create response to the proposal.
A. design
B. build
C. destroy
D. improve
Correct Answer: C
Explanation: The word opposite in meaning to 'create' is 'destroy'
.
Question 183 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a domestic response to the proposal.
A. family
B. foreign
C. local
D. rural
Correct Answer: B
Explanation: The word opposite in meaning to 'domestic' is 'foreign'
.
Question 184 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a empty response to the proposal.
A. full
B. clean
C. open
D. hollow
Correct Answer: A
Explanation: The word opposite in meaning to 'empty' is 'full'
.
Question 185 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a fragile response to the proposal.
A. small
B. strong
C. rough
D. light
Correct Answer: B
Explanation: The word opposite in meaning to 'fragile' is 'strong'
.
Question 186 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a genuine response to the proposal.
A. polished
B. bright
C. costly
D. fake
Correct Answer: D
Explanation: The word opposite in meaning to 'genuine' is 'fake'
.
Question 187 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a harmful response to the proposal.
A. toxic
B. dangerous
C. painful
D. beneficial
Correct Answer: D
Explanation: The word opposite in meaning to 'harmful' is 'beneficial'
.
Question 188 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a liberal response to the proposal.
A. friendly
B. conservative
C. open
D. free
Correct Answer: B
Explanation: The word opposite in meaning to 'liberal' is 'conservative'
.
Question 189 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a maximum response to the proposal.
A. farthest
B. largest
C. highest
D. minimum
JAMB 2000 Original Practice Pack Page 24Correct Answer: D
Explanation: The word opposite in meaning to 'maximum' is 'minimum'
.
Question 190 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a narrow response to the proposal.
A. thick
B. tiny
C. broad
D. short
Correct Answer: C
Explanation: The word opposite in meaning to 'narrow' is 'broad'
.
Question 191 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a offend response to the proposal.
A. please
B. annoy
C. injure
D. disgrace
Correct Answer: A
Explanation: The word opposite in meaning to 'offend' is 'please'
.
Question 192 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a permit response to the proposal.
A. forbid
B. support
C. allow
D. request
Correct Answer: A
Explanation: The word opposite in meaning to 'permit' is 'forbid'
.
Question 193 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a rural response to the proposal.
A. remote
B. plain
C. local
D. urban
Correct Answer: D
Explanation: The word opposite in meaning to 'rural' is 'urban'
.
Question 194 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a scarce response to the proposal.
A. empty
B. brief
C. rare
D. plentiful
Correct Answer: D
Explanation: The word opposite in meaning to 'scarce' is 'plentiful'
.
Question 195 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a transparent response to the proposal.
A. clear
B. pure
C. bright
D. opaque
Correct Answer: D
Explanation: The word opposite in meaning to 'transparent' is 'opaque'
.
Question 196 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a victim response to the proposal.
A. loser
B. leader
C. winner
D. offender
Correct Answer: D
Explanation: The word opposite in meaning to 'victim' is 'offender'
.
Question 197 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a volatile response to the proposal.
A. dangerous
B. quick
C. light
D. stable
Correct Answer: D
Explanation: The word opposite in meaning to 'volatile' is 'stable'
.
Question 198 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a withdraw response to the proposal.
JAMB 2000 Original Practice Pack Page 25A. reduce
B. escape
C. deposit
D. remove
Correct Answer: C
Explanation: The word opposite in meaning to 'withdraw' is 'deposit'
.
Question 199 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a mature response to the proposal.
A. adult
B. tall
C. ripe
D. immature
Correct Answer: D
Explanation: The word opposite in meaning to 'mature' is 'immature'
.
Question 200 Topic: Antonyms in Context Likelihood: High
Question: Choose the option opposite in meaning to the underlined word: The manager gave a modest response to the proposal.
A. arrogant
B. simple
C. plain
D. calm
Correct Answer: A
Explanation: The word opposite in meaning to 'modest' is 'arrogant'
.
Question 201 Topic: Antonyms in Context Likelihood: Medium
Question: Choose the option opposite in meaning to the underlined word: The manager gave a praise response to the proposal.
A. admire
B. approve
C. criticize
D. reward
Correct Answer: C
Explanation: The word opposite in meaning to 'praise' is 'criticize'
.
Question 202 Topic: Antonyms in Context Likelihood: Medium
Question: Choose the option opposite in meaning to the underlined word: The manager gave a respect response to the proposal.
A. value
B. despise
C. love
D. honour
Correct Answer: B
Explanation: The word opposite in meaning to 'respect' is 'despise'
.
Question 203 Topic: Antonyms in Context Likelihood: Medium
Question: Choose the option opposite in meaning to the underlined word: The manager gave a tidy response to the proposal.
A. fresh
B. orderly
C. clean
D. untidy
Correct Answer: D
Explanation: The word opposite in meaning to 'tidy' is 'untidy'
.
Question 204 Topic: Antonyms in Context Likelihood: Medium
Question: Choose the option opposite in meaning to the underlined word: The manager gave a urgent response to the proposal.
A. important
B. trivial
C. serious
D. rapid
Correct Answer: B
Explanation: The word opposite in meaning to 'urgent' is 'trivial'
.
Question 205 Topic: Antonyms in Context Likelihood: Medium
Question: Choose the option opposite in meaning to the underlined word: The manager gave a visible response to the proposal.
A. open
B. obvious
C. bright
D. invisible
Correct Answer: D
Explanation: The word opposite in meaning to 'visible' is 'invisible'
.
Question 206 Topic: Antonyms in Context Likelihood: Medium
Question: Choose the option opposite in meaning to the underlined word: The manager gave a wisdom response to the proposal.
A. virtue
B. knowledge
C. experience
D. folly
Correct Answer: D
JAMB 2000 Original Practice Pack Page 26Explanation: The word opposite in meaning to 'wisdom' is 'folly'
.
Question 207 Topic: Antonyms in Context Likelihood: Medium
Question: Choose the option opposite in meaning to the underlined word: The manager gave a yielding response to the proposal.
A. soft
B. patient
C. polite
D. stubborn
Correct Answer: D
Explanation: The word opposite in meaning to 'yielding' is 'stubborn'
.
Question 208 Topic: Antonyms in Context Likelihood: Medium
Question: Choose the option opposite in meaning to the underlined word: The manager gave a zeal response to the proposal.
A. apathy
B. energy
C. joy
D. speed
Correct Answer: A
Explanation: The word opposite in meaning to 'zeal' is 'apathy'
.
Question 209 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to spill the beans,' the expression means to
A. speak carelessly
B. cook the meal
C. reveal the secret
D. waste resources
Correct Answer: C
Explanation: The idiom 'spill the beans' means 'reveal the secret'
.
Question 210 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to once in a blue moon,' the expression means to
A. unexpectedly
B. very quickly
C. at night
D. very rarely
Correct Answer: D
Explanation: The idiom 'once in a blue moon' means 'very rarely'
.
Question 211 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to beat about the bush,' the expression means to
A. act violently
B. speak boldly
C. clear the road
D. avoid the main point
Correct Answer: D
Explanation: The idiom 'beat about the bush' means 'avoid the main point'
.
Question 212 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to hit the nail on the head,' the expression means to
A. damage a tool
B. say exactly the right thing
C. work carelessly
D. miss the point
Correct Answer: B
Explanation: The idiom 'hit the nail on the head' means 'say exactly the right thing'
.
Question 213 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to a blessing in disguise,' the expression means to
A. an expensive gift
B. a hidden enemy
C. something good that seemed bad at first
D. a confusing decision
Correct Answer: C
Explanation: The idiom 'a blessing in disguise' means 'something good that seemed bad at first'
.
Question 214 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to burn the midnight oil,' the expression means to
A. work late into the night
B. sleep very little
C. waste electricity
D. start a fire
Correct Answer: A
Explanation: The idiom 'burn the midnight oil' means 'work late into the night'
.
Question 215 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to cost an arm and a leg,' the expression means to
A. be unfair
JAMB 2000 Original Practice Pack Page 27B. be very expensive
C. be violent
D. cause injury
Correct Answer: B
Explanation: The idiom 'cost an arm and a leg' means 'be very expensive'
.
Question 216 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to at sixes and sevens,' the expression means to
A. strictly equal
B. very early
C. fully organized
D. in a state of confusion
Correct Answer: D
Explanation: The idiom 'at sixes and sevens' means 'in a state of confusion'
.
Question 217 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to keep an eye on,' the expression means to
A. watch carefully
B. ignore completely
C. look suspicious
D. close the eyes
Correct Answer: A
Explanation: The idiom 'keep an eye on' means 'watch carefully'
.
Question 218 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to call it a day,' the expression means to
A. travel in daylight
B. celebrate a festival
C. stop working on something
D. wake up early
Correct Answer: C
Explanation: The idiom 'call it a day' means 'stop working on something'
.
Question 219 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to in hot water,' the expression means to
A. working hard
B. in a bath
C. in trouble
D. feeling warm
Correct Answer: C
Explanation: The idiom 'in hot water' means 'in trouble'
.
Question 220 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to on cloud nine,' the expression means to
A. extremely happy
B. very tired
C. slightly worried
D. very confused
Correct Answer: A
Explanation: The idiom 'on cloud nine' means 'extremely happy'
.
Question 221 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to pull someone's leg,' the expression means to
A. tease or joke with someone
B. help someone run
C. drag a person away
D. injure someone
Correct Answer: A
Explanation: The idiom 'pull someone's leg' means 'tease or joke with someone'
.
Question 222 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to under the weather,' the expression means to
A. outside in the rain
B. eager to travel
C. very poor
D. feeling ill
Correct Answer: D
Explanation: The idiom 'under the weather' means 'feeling ill'
.
Question 223 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to a piece of cake,' the expression means to
A. a sweet gift
B. a small reward
C. something expensive
D. very easy
Correct Answer: D
Explanation: The idiom 'a piece of cake' means 'very easy'
.
JAMB 2000 Original Practice Pack Page 28Question 224 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to break the ice,' the expression means to
A. crack frozen water
B. remove initial tension
C. start a quarrel
D. make people angry
Correct Answer: B
Explanation: The idiom 'break the ice' means 'remove initial tension'
.
Question 225 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to in black and white,' the expression means to
A. in writing
B. clearly visible
C. painted in two colours
D. strictly legal
Correct Answer: A
Explanation: The idiom 'in black and white' means 'in writing'
.
Question 226 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to turn a blind eye,' the expression means to
A. go blind suddenly
B. look away in fear
C. ignore deliberately
D. wink at someone
Correct Answer: C
Explanation: The idiom 'turn a blind eye' means 'ignore deliberately'
.
Question 227 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to the ball is in your court,' the expression means to
A. someone else must decide
B. the game has ended
C. it is your turn to act
D. you have won already
Correct Answer: C
Explanation: The idiom 'the ball is in your court' means 'it is your turn to act'
.
Question 228 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to add fuel to the fire,' the expression means to
A. make a bad situation worse
B. support a good cause
C. increase speed
D. cook with more heat
Correct Answer: A
Explanation: The idiom 'add fuel to the fire' means 'make a bad situation worse'
.
Question 229 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to throw in the towel,' the expression means to
A. admit defeat
B. clean a surface
C. prepare for sports
D. start a quarrel
Correct Answer: A
Explanation: The idiom 'throw in the towel' means 'admit defeat'
.
Question 230 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to keep body and soul together,' the expression means to
A. survive with little money
B. exercise regularly
C. stay happy
D. travel frequently
Correct Answer: A
Explanation: The idiom 'keep body and soul together' means 'survive with little money'
.
Question 231 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to by the skin of one's teeth,' the expression means to
A. narrowly
B. with pain
C. without effort
D. with pride
Correct Answer: A
Explanation: The idiom 'by the skin of one's teeth' means 'narrowly'
.
Question 232 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to rain cats and dogs,' the expression means to
A. rain heavily
B. rains lightly
C. rains with wind
JAMB 2000 Original Practice Pack Page 29D. rains suddenly
Correct Answer: A
Explanation: The idiom 'rain cats and dogs' means 'rain heavily'
.
Question 233 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to let the cat out of the bag,' the expression means to
A. act carelessly
B. make a mistake
C. disclose a secret
D. release an animal
Correct Answer: C
Explanation: The idiom 'let the cat out of the bag' means 'disclose a secret'
.
Question 234 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to sit on the fence,' the expression means to
A. rest on a wall
B. change one's seat
C. avoid taking sides
D. watch from far away
Correct Answer: C
Explanation: The idiom 'sit on the fence' means 'avoid taking sides'
.
Question 235 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to jump the gun,' the expression means to
A. act violently
B. win a race
C. start too early
D. use a weapon
Correct Answer: C
Explanation: The idiom 'jump the gun' means 'start too early'
.
Question 236 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to cut corners,' the expression means to
A. do something cheaply or badly
B. take a short route
C. reduce expenses wisely
D. trim edges neatly
Correct Answer: A
Explanation: The idiom 'cut corners' means 'do something cheaply or badly'
.
Question 237 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to take with a pinch of salt,' the expression means to
A. believe completely
B. eat carefully
C. accept gratefully
D. regard with some doubt
Correct Answer: D
Explanation: The idiom 'take with a pinch of salt' means 'regard with some doubt'
.
Question 238 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to go the extra mile,' the expression means to
A. waste time
B. make special effort
C. arrive late
D. travel longer distance
Correct Answer: B
Explanation: The idiom 'go the extra mile' means 'make special effort'
.
Question 239 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to face the music,' the expression means to
A. perform on stage
B. celebrate loudly
C. accept punishment or criticism
D. listen to a song
Correct Answer: C
Explanation: The idiom 'face the music' means 'accept punishment or criticism'
.
Question 240 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to keep one's fingers crossed,' the expression means to
A. stay nervous
B. pray silently
C. hope for good luck
D. hide one's hands
Correct Answer: C
Explanation: The idiom 'keep one's fingers crossed' means 'hope for good luck'
.
JAMB 2000 Original Practice Pack Page 30Question 241 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to bark up the wrong tree,' the expression means to
A. chase a dog
B. follow a wrong course
C. search noisily
D. climb badly
Correct Answer: B
Explanation: The idiom 'bark up the wrong tree' means 'follow a wrong course'
.
Question 242 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to a storm in a teacup,' the expression means to
A. a weather warning
B. a dangerous plan
C. a lot of anger over a small matter
D. a noisy celebration
Correct Answer: C
Explanation: The idiom 'a storm in a teacup' means 'a lot of anger over a small matter'
.
Question 243 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to see eye to eye,' the expression means to
A. agree completely
B. compete directly
C. watch carefully
D. quarrel often
Correct Answer: A
Explanation: The idiom 'see eye to eye' means 'agree completely'
.
Question 244 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to throw cold water on,' the expression means to
A. wash quickly
B. discourage
C. quench a fire
D. punish severely
Correct Answer: B
Explanation: The idiom 'throw cold water on' means 'discourage'
.
Question 245 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to hit below the belt,' the expression means to
A. speak politely
B. move carefully
C. fight well
D. act unfairly
Correct Answer: D
Explanation: The idiom 'hit below the belt' means 'act unfairly'
.
Question 246 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to make both ends meet,' the expression means to
A. travel far
B. complete a task
C. solve a puzzle
D. manage one's income
Correct Answer: D
Explanation: The idiom 'make both ends meet' means 'manage one's income'
.
Question 247 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to up in the air,' the expression means to
A. flying high
B. clearly visible
C. uncertain
D. angrily spoken
Correct Answer: C
Explanation: The idiom 'up in the air' means 'uncertain'
.
Question 248 Topic: Idiomatic Expression Likelihood: Medium
Question: In the sentence, 'After weeks of hesitation, Tunde decided to turn over a new leaf,' the expression means to
A. change a house
B. begin farming
C. start behaving better
D. open a book
Correct Answer: C
Explanation: The idiom 'turn over a new leaf' means 'start behaving better'
.
Question 249 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of banking?
A. stethoscope
B. syllable
C. chlorophyll
D. overdraft
JAMB 2000 Original Practice Pack Page 31Correct Answer: D
Explanation: 'overdraft' is a term associated with banking.
Question 250 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of medicine?
A. stethoscope
B. ledger
C. valency
D. tripod
Correct Answer: A
Explanation: 'stethoscope' is a term associated with medicine.
Question 251 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of law?
A. ventilation
B. litigation
C. evaporation
D. fertilization
Correct Answer: B
Explanation: 'litigation' is a term associated with law.
Question 252 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of journalism?
A. headline
B. wicket
C. test tube
D. stanza
Correct Answer: A
Explanation: 'headline' is a term associated with journalism.
Question 253 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of agriculture?
A. cipher
B. stethoscope
C. manure
D. chorus
Correct Answer: C
Explanation: 'manure' is a term associated with agriculture.
Question 254 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of sports?
A. enzyme
B. offside
C. plaintiff
D. invoice
Correct Answer: B
Explanation: 'offside' is a term associated with sports.
Question 255 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of commerce?
A. headline
B. vaccine
C. invoice
D. hypha
Correct Answer: C
Explanation: 'invoice' is a term associated with commerce.
Question 256 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of literature?
A. capsule
B. budget
C. stanza
D. fungus
Correct Answer: C
Explanation: 'stanza' is a term associated with literature.
Question 257 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of government?
A. catalogue
B. cabinet
C. suture
D. capsule
Correct Answer: B
Explanation: 'cabinet' is a term associated with government.
Question 258 Topic: Registers Likelihood: Medium
Question: Which of the following belongs to the register of building?
JAMB 2000 Original Practice Pack Page 32A. editor
B. budget
C. scaffold
D. enzyme
Correct Answer: C
Explanation: 'scaffold' is a term associated with building.
Question 259 Topic: Comprehension and Summary Likelihood: Medium
Question: A good summary should mainly present
A. the writer's exact wording
B. new opinions from the reader
C. the central ideas in brief form
D. every illustration from the passage
Correct Answer: C
Explanation: A summary condenses the main ideas only.
Question 260 Topic: Comprehension and Summary Likelihood: Medium
Question: In a comprehension passage, the writer's tone may be best described by
A. the attitude shown through the choice of words
B. the punctuation marks only
C. the number of paragraphs used
D. the length of the passage
Correct Answer: A
Explanation: Tone refers to the writer's attitude as revealed in language.
Question 261 Topic: Comprehension and Summary Likelihood: Medium
Question: The purpose of a topic sentence in a paragraph is to
A. introduce a quotation
B. repeat every detail
C. end the paragraph sharply
D. state the main idea of the paragraph
Correct Answer: D
Explanation: A topic sentence announces the controlling idea.
Question 262 Topic: Comprehension and Summary Likelihood: Medium
Question: When a question asks for an inference, the reader is expected to
A. criticize the writer
B. copy a line from the passage
C. draw a conclusion from clues in the passage
D. count the number of ideas
Correct Answer: C
Explanation: An inference is an implied conclusion based on evidence.
Question 263 Topic: Comprehension and Summary Likelihood: Medium
Question: A passage that aims to persuade readers is likely to contain
A. arguments supported by reasons
B. random expressions
C. only a list of dates
D. unrelated proverbs
Correct Answer: A
Explanation: Persuasive writing tries to convince through reasons or evidence.
Question 264 Topic: Comprehension and Summary Likelihood: Medium
Question: The word that best helps a reader identify contrast in a passage is
A. however
B. for example
C. therefore
D. similarly
Correct Answer: A
Explanation: 'However' commonly signals contrast.
Question 265 Topic: Comprehension and Summary Likelihood: Medium
Question: The expression 'in other words' in a passage usually introduces
A. a question
B. a restatement
C. a conclusion
D. a contradiction
Correct Answer: B
Explanation: It signals that an idea is being rephrased.
Question 266 Topic: Comprehension and Summary Likelihood: Medium
Question: A paragraph is coherent when its sentences
A. contain difficult words
B. are all very short
C. flow logically from one to another
D. end with a question
Correct Answer: C
JAMB 2000 Original Practice Pack Page 33Explanation: Coherence means logical connection and smooth flow.
Question 267 Topic: Comprehension and Summary Likelihood: Medium
Question: The main purpose of scanning a passage is to
A. summarize the whole passage
B. memorize every line
C. understand the writer's tone
D. locate specific information quickly
Correct Answer: D
Explanation: Scanning is used for finding specific details fast.
Question 268 Topic: Comprehension and Summary Likelihood: Medium
Question: The main purpose of skimming a passage is to
A. criticize the writer
B. get the general idea quickly
C. learn all the details
D. memorize examples
Correct Answer: B
Explanation: Skimming is rapid reading for gist.
Question 269 Topic: Comprehension and Summary Likelihood: Medium
Question: If a passage is described as objective, it is mainly
A. emotional and biased
B. comic and playful
C. fact-based and impartial
D. secretive and vague
Correct Answer: C
Explanation: Objective writing presents facts without personal bias.
Question 270 Topic: Comprehension and Summary Likelihood: Medium
Question: In a reading passage, a supporting detail is meant to
A. change the topic
B. replace the main idea
C. develop the main idea
D. confuse the reader
Correct Answer: C
Explanation: Supporting details explain or prove the main point.
Question 271 Topic: Comprehension and Summary Likelihood: Medium
Question: The phrase 'the writer implies that' requires the reader to look for
A. the number of examples
B. a dictionary definition
C. the title alone
D. an unstated meaning
Correct Answer: D
Explanation: An implication is suggested rather than directly stated.
Question 272 Topic: Comprehension and Summary Likelihood: Medium
Question: A paragraph that compares two ideas will likely use expressions such as
A. meanwhile and suddenly
B. yet and because
C. firstly and finally
D. similarly and likewise
Correct Answer: D
Explanation: Comparison markers show similarity.
Question 273 Topic: Comprehension and Summary Likelihood: Medium
Question: The sentence that states the writer's overall controlling point is often called the
A. appendix
B. main idea
C. register
D. footnote
Correct Answer: B
Explanation: The main idea is the central point the writer develops.
Question 274 Topic: Oral English - Homophones Likelihood: Medium
Question: Which pair consists of words that have the same pronunciation?
A. right / write
B. mail / flower
C. break / break
D. waist / allowed
Correct Answer: A
Explanation: 'right' and 'write' are homophones.
Question 275 Topic: Sentence Completion Likelihood: Medium
Question: The students were warned not to _____ the school rules.
A. oppose against
JAMB 2000 Original Practice Pack Page 34B. violate
C. damage
D. break into
Correct Answer: B
Explanation: The natural collocation is 'violate the rules'
.
Question 276 Topic: Sentence Completion Likelihood: Medium
Question: The witness gave a very _____ description of the suspect.
A. timid
B. vivid
C. fragile
D. casual
Correct Answer: B
Explanation: 'Vivid' means clear and lively.
Question 277 Topic: Sentence Completion Likelihood: Medium
Question: The chairman's sudden resignation came as a _____ to everyone.
A. shock
B. practice
C. signal
D. lesson
Correct Answer: A
Explanation: The common expression is 'came as a shock'
.
Question 278 Topic: Sentence Completion Likelihood: Medium
Question: The athlete was disqualified because she had taken performance-enhancing _____.
A. tables
B. tools
C. drugs
D. foods
Correct Answer: C
Explanation: The natural completion is 'drugs'
.
Question 279 Topic: Sentence Completion Likelihood: Medium
Question: The governor promised to _____ all abandoned projects.
A. hesitate
B. combine
C. rotate
D. revive
Correct Answer: D
Explanation: 'Revive' means bring back to life or activity.
Question 280 Topic: Sentence Completion Likelihood: Medium
Question: The teacher advised the candidates to read the instructions _____.
A. carefulness
B. care
C. carefully
D. careless
Correct Answer: C
Explanation: An adverb is needed to modify 'read'
.
Question 281 Topic: Sentence Completion Likelihood: Medium
Question: The villagers showed great _____ during the flood.
A. courageous
B. courage
C. encourage
D. courageously
Correct Answer: B
Explanation: A noun is needed after 'great'
.
Question 282 Topic: Sentence Completion Likelihood: Medium
Question: The committee set up a panel to _____ the matter.
A. investigate
B. investigated
C. investigation
D. investigative
Correct Answer: A
Explanation: The infinitive 'to investigate' fits the structure.
Question 283 Topic: Sentence Completion Likelihood: Medium
Question: She felt deeply _____ by the false accusation.
A. hurt
B. hurtful
C. hurting
D. hurted
Correct Answer: A
Explanation: The adjective/past participle 'hurt' fits the passive meaning.
JAMB 2000 Original Practice Pack Page 35Question 284 Topic: Sentence Completion Likelihood: Medium
Question: The football match was postponed due to heavy _____.
A. rains
B. rainy
C. raining
D. rainfall
Correct Answer: D
Explanation: The noun 'rainfall' fits the context.
Question 285 Topic: Sentence Completion Likelihood: Medium
Question: The doctor advised him to reduce his _____ of sugar.
A. offtake
B. consumptioned
C. entry
D. intake
Correct Answer: D
Explanation: 'Intake' is the standard collocation.
Question 286 Topic: Sentence Completion Likelihood: Medium
Question: The principal's speech was short but very _____.
A. inspiring
B. inspire
C. inspiration
D. inspirer
Correct Answer: A
Explanation: An adjective is needed to describe the speech.
Question 287 Topic: Sentence Completion Likelihood: Medium
Question: The workers demanded better pay and improved working _____.
A. conditional
B. conditions
C. conditioning
D. condition
Correct Answer: B
Explanation: The plural noun 'conditions' is correct.
Question 288 Topic: Sentence Completion Likelihood: Medium
Question: He was praised for his _____ response to the emergency.
A. prompt
B. promptness
C. prompter
D. promptly
Correct Answer: A
Explanation: The adjective 'prompt' properly qualifies 'response'
.
Question 289 Topic: Sentence Completion Likelihood: Medium
Question: The child looked at the stranger with great _____.
A. curious
B. curiously
C. curiosity
D. curiouser
Correct Answer: C
Explanation: A noun is required after 'great'
.
Question 290 Topic: Sentence Completion Likelihood: Medium
Question: The police launched a full-scale _____ into the robbery.
A. investigation
B. investigate
C. investigator
D. investigating
Correct Answer: A
Explanation: The noun 'investigation' fits the sentence.
Question 291 Topic: Sentence Completion Likelihood: Medium
Question: The company has introduced a new policy to _____ waste.
A. reduction
B. reduced
C. reduce
D. reducing
Correct Answer: C
Explanation: The infinitive complement needs the base form.
Question 292 Topic: Sentence Completion Likelihood: Medium
Question: Her explanation was so _____ that no one asked a question.
A. clear
B. clearly
C. clarity
JAMB 2000 Original Practice Pack Page 36D. clearness
Correct Answer: A
Explanation: An adjective is needed after 'so'
.
Question 293 Topic: Sentence Completion Likelihood: Medium
Question: The coach's words helped to _____ the team's confidence.
A. bake
B. burst
C. boast
D. boost
Correct Answer: D
Explanation: 'Boost' means improve or increase.
Question 294 Topic: Sentence Completion Likelihood: Medium
Question: The speaker urged the youth to be more _____ in public affairs.
A. actively
B. act
C. active
D. activity
Correct Answer: C
Explanation: An adjective is needed after 'more'
.
Question 295 Topic: Sentence Completion Likelihood: Medium
Question: Good roads can greatly _____ trade in rural areas.
A. promotion
B. promoting
C. promote
D. promoted
Correct Answer: C
Explanation: The base verb follows 'can'
.
Question 296 Topic: Sentence Completion Likelihood: Medium
Question: The report contained several _____ recommendations.
A. useless
B. use
C. useful
D. usefully
Correct Answer: C
Explanation: An adjective is needed to qualify recommendations.
Question 297 Topic: Sentence Completion Likelihood: Medium
Question: The old building was in need of urgent _____.
A. repairing
B. repaired
C. repairs
D. repairer
Correct Answer: C
Explanation: The noun 'repairs' fits the phrase.
Question 298 Topic: Sentence Completion Likelihood: Medium
Question: The speaker tried to _____ the audience with facts, not emotion.
A. persuasion
B. persuade
C. persuaded
D. persuasive
Correct Answer: B
Explanation: After 'to', the base form is required.
Question 299 Topic: Sentence Completion Likelihood: Medium
Question: The students listened _____ as the invigilator explained the rules.
A. attentive
B. attention
C. attentively
D. attentiveness
Correct Answer: C
Explanation: An adverb is needed to modify 'listened'
.
Question 300 Topic: Concord and Structure Likelihood: Medium
Question: Only one of the applicants _____ qualified for the interview.
A. have been
B. is
C. were
D. are
Correct Answer: B
Explanation: The subject is 'one', which is singular.
JAMB 2000 Original Practice Pack Page 37Question 301 Topic: Concord and Structure Likelihood: Medium
Question: The pair of shoes _____ under the bed.
A. were
B. are
C. is
D. have been
Correct Answer: C
Explanation: 'Pair' is singular.
Question 302 Topic: Concord and Structure Likelihood: Medium
Question: The proceeds from the show _____ donated to charity.
A. was
B. were
C. has been
D. is
Correct Answer: B
Explanation: 'Proceeds' takes a plural verb.
Question 303 Topic: Concord and Structure Likelihood: Medium
Question: Mathematics _____ easier when the teacher explains it well.
A. is
B. are
C. were
D. have been
Correct Answer: A
Explanation: Academic subjects take singular verbs.
Question 304 Topic: Concord and Structure Likelihood: Medium
Question: The cattle breeder said his herd _____ healthy.
A. were
B. are
C. was
D. have been
Correct Answer: C
Explanation: The collective idea of the herd takes a singular verb here.
Question 305 Topic: Concord and Structure Likelihood: Medium
Question: A bouquet of roses _____ on her desk.
A. have
B. was
C. were
D. are
Correct Answer: B
Explanation: The subject is 'bouquet'
.
Question 306 Topic: Concord and Structure Likelihood: Medium
Question: Fifty naira _____ too little for the fare.
A. is
B. are
C. have been
D. were
Correct Answer: A
Explanation: A sum of money treated as one amount takes a singular verb.
Question 307 Topic: Concord and Structure Likelihood: Medium
Question: One after another, the runners _____ the finish line.
A. crossed
B. had crossed
C. crosses
D. have crossed
Correct Answer: A
Explanation: Simple past is suitable for the sequence of completed actions.
Question 308 Topic: Concord and Structure Likelihood: Medium
Question: Few students _____ able to solve the last question.
A. was
B. is
C. were
D. has
Correct Answer: C
Explanation: 'Few students' is plural.
Question 309 Topic: Concord and Structure Likelihood: Medium
Question: This scissors _____ blunt.
A. were
B. is
C. have been
D. are
JAMB 2000 Original Practice Pack Page 38Correct Answer: B
Explanation: When preceded by 'this', standard exam usage often expects singular agreement.
Question 310 Topic: Concord and Structure Likelihood: Medium
Question: All the furniture _____ delivered yesterday.
A. are
B. was
C. were
D. have been
Correct Answer: B
Explanation: 'Furniture' is uncountable and singular in agreement.
Question 311 Topic: Concord and Structure Likelihood: Medium
Question: The pair of trousers _____ too expensive.
A. are
B. have
C. were
D. was
Correct Answer: D
Explanation: The head word 'pair' is singular.
Question 312 Topic: Concord and Structure Likelihood: Medium
Question: Neither rain nor wind _____ stop the procession.
A. can
B. have
C. are
D. coulds
Correct Answer: A
Explanation: After the modal 'can', the base form is used.
Question 313 Topic: Concord and Structure Likelihood: Medium
Question: Someone _____ left a bag in the office.
A. are
B. has
C. were
D. have
Correct Answer: B
Explanation: 'Someone' is singular and takes a singular verb.
Question 314 Topic: Concord and Structure Likelihood: Medium
Question: The owner of those cars _____ abroad.
A. is
B. were
C. have been
D. are
Correct Answer: A
Explanation: The subject is 'owner', not 'cars'
.
Question 315 Topic: Sentence Completion Likelihood: Medium
Question: The witness's account was quite _____ with the evidence before the court.
A. consist
B. consisting
C. consistency
D. consistent
Correct Answer: D
Explanation: An adjective is required after 'quite'
.
Question 316 Topic: Sentence Completion Likelihood: Medium
Question: The school introduced new measures to improve student _____.
A. attendance
B. attend
C. attending
D. attendant
Correct Answer: A
Explanation: A noun is needed after 'student'
.
Question 317 Topic: Sentence Completion Likelihood: Medium
Question: The flood caused widespread _____ to homes and roads.
A. damaged
B. damage
C. damages
D. damaging
Correct Answer: B
Explanation: The singular noun 'damage' fits the expression.
Question 318 Topic: Sentence Completion Likelihood: Medium
Question: He gave a _____ explanation that removed all doubt.
JAMB 2000 Original Practice Pack Page 39A. convince
B. convincingly
C. convincing
D. conviction
Correct Answer: C
Explanation: An adjective is required to qualify 'explanation'
.
Question 319 Topic: Sentence Completion Likelihood: Medium
Question: The chairman appealed for calm and _____.
A. restrict
B. restrain
C. restraint
D. restrained
Correct Answer: C
Explanation: The noun 'restraint' pairs naturally with 'calm'
.
Question 320 Topic: Sentence Completion Likelihood: Medium
Question: The athlete's quick recovery surprised the medical _____.
A. teamsman
B. teaming
C. team
D. teamed
Correct Answer: C
Explanation: The natural noun completing the idea is 'team'
.
Question 321 Topic: Sentence Completion Likelihood: Medium
Question: The police acted on a _____ received from a passer-by.
A. dropout
B. tip-off
C. call-up
D. drawback
Correct Answer: B
Explanation: A 'tip-off' is useful information given secretly.
Question 322 Topic: Sentence Completion Likelihood: Medium
Question: The teacher's approach made the lesson more _____.
A. interestedly
B. interesting
C. interest
D. interests
Correct Answer: B
Explanation: An adjective is needed after 'more'
.
Question 323 Topic: Sentence Completion Likelihood: Medium
Question: The committee reached its decision after careful _____.
A. deliberately
B. deliberate
C. deliberating
D. deliberation
Correct Answer: D
Explanation: The noun 'deliberation' fits the context.
Question 324 Topic: Sentence Completion Likelihood: Medium
Question: The players returned to the pitch with renewed _____.
A. confidently
B. confide
C. confidence
D. confident
Correct Answer: C
Explanation: A noun is needed after 'renewed'
.
Question 325 Topic: Sentence Completion Likelihood: Medium
Question: The company hopes to _____ its market share next year.
A. increaseful
B. increased
C. increasing
D. increase
Correct Answer: D
Explanation: The base verb follows 'to'
.
Question 326 Topic: Sentence Completion Likelihood: Medium
Question: The injured man was taken to the hospital for _____ treatment.
A. urgency
B. urge
C. urgent
D. urgently
Correct Answer: C
JAMB 2000 Original Practice Pack Page 40Explanation: An adjective is needed before 'treatment'
.
Question 327 Topic: Sentence Completion Likelihood: Medium
Question: The minister promised a full _____ of the incident.
A. investigation
B. investigative
C. investigating
D. investigate
Correct Answer: A
Explanation: A noun is needed after 'full'
.
Question 328 Topic: Sentence Completion Likelihood: Medium
Question: Good leaders must be fair and _____.
A. firmness
B. firmly
C. affirm
D. firm
Correct Answer: D
Explanation: An adjective is needed after 'and'
.
Question 329 Topic: Sentence Completion Likelihood: Medium
Question: The letter was so badly written that its meaning was _____.
A. unclearly
B. clarity
C. unclearness
D. unclear
Correct Answer: D
Explanation: The adjective 'unclear' fits the sentence.
Question 330 Topic: Comprehension and Summary Likelihood: Medium
Question: A writer's bias in a passage is shown by
A. the length of the title
B. partial or one-sided presentation
C. the date of publication
D. the number of paragraphs
Correct Answer: B
Explanation: Bias is revealed by unfairly favouring one side.
Question 331 Topic: Comprehension and Summary Likelihood: Medium
Question: The best title for a passage is the one that
A. quotes the first sentence
B. captures its main idea accurately
C. ends with a question
D. contains the longest word
Correct Answer: B
Explanation: A good title reflects the central message.
Question 332 Topic: Comprehension and Summary Likelihood: Medium
Question: An example used by a writer mainly helps to
A. change the topic
B. replace evidence
C. confuse the reader
D. illustrate an idea
Correct Answer: D
Explanation: Examples make an idea clearer.
Question 333 Topic: Comprehension and Summary Likelihood: Medium
Question: The phrase 'for instance' in a passage usually introduces
A. a contrast
B. a warning
C. an example
D. a conclusion
Correct Answer: C
Explanation: It signals an illustration or example.
Question 334 Topic: Comprehension and Summary Likelihood: Medium
Question: The sentence that sums up a paragraph most directly is often the
A. footnote
B. topic sentence
C. appendix
D. caption
Correct Answer: B
Explanation: The topic sentence presents the paragraph's main idea.
Question 335 Topic: Comprehension and Summary Likelihood: Medium
Question: In summary writing, redundant expressions should be
A. removed
JAMB 2000 Original Practice Pack Page 41B. expanded
C. repeated
D. quoted at length
Correct Answer: A
Explanation: A summary should be concise.
Question 336 Topic: Sentence Completion Likelihood: Medium
Question: The chairman's decision was widely seen as a _____ step toward peace.
A. posit
B. positively
C. positiveness
D. positive
Correct Answer: D
Explanation: An adjective is needed before 'step'
.
Question 337 Topic: Sentence Interpretation Likelihood: Medium
Question: "The principal said the new rule would not be bent for anybody." This means that
A. the rule would be changed later
B. the rule would be strictly enforced
C. the rule was poorly written
D. the rule would favour the rich
Correct Answer: B
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 338 Topic: Sentence Interpretation Likelihood: Medium
Question: "Ada has a chip on her shoulder about the issue." This means that
A. Ada is resentful about it
B. Ada is excited about it
C. Ada is joking about it
D. Ada is ignorant of it
Correct Answer: A
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 339 Topic: Sentence Interpretation Likelihood: Medium
Question: "The striker was off colour during the match." This means that
A. the striker performed poorly
B. the striker was suspended
C. the striker wore the wrong jersey
D. the striker arrived late
Correct Answer: A
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 340 Topic: Sentence Interpretation Likelihood: Medium
Question: "The manager told the staff to keep their ears to the ground." This means that
A. they should rest after work
B. they should listen to music
C. they should obey quietly
D. they should stay alert for information
Correct Answer: D
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 341 Topic: Sentence Interpretation Likelihood: Medium
Question: "The chairman warned the members not to wash their dirty linen in public." This means that
A. they should not expose private quarrels openly
B. they should clean the hall
C. they should dress neatly
D. they should avoid gossiping at home
Correct Answer: A
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 342 Topic: Sentence Interpretation Likelihood: Medium
Question: "After the examination, many candidates felt at sea." This means that
A. they were joyful
B. they felt sleepy
C. they travelled by boat
D. they felt confused
Correct Answer: D
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 343 Topic: Sentence Interpretation Likelihood: Medium
Question: "The witness made a mountain out of a molehill." This means that
A. the witness lied completely
B. the witness exaggerated a small matter
C. the witness spoke boldly
D. the witness became emotional
Correct Answer: B
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
JAMB 2000 Original Practice Pack Page 42Question 344 Topic: Sentence Interpretation Likelihood: Medium
Question: "The minister promised to leave no stone unturned." This means that
A. the minister would make every effort
B. the minister would delay action
C. the minister would work alone
D. the minister would punish opponents
Correct Answer: A
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 345 Topic: Sentence Interpretation Likelihood: Medium
Question: "The young artist is head and shoulders above his peers." This means that
A. he is far better than the others
B. he is taller than the others
C. he is proud of himself
D. he is very stubborn
Correct Answer: A
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 346 Topic: Sentence Interpretation Likelihood: Medium
Question: "The suspect decided to come clean at last." This means that
A. the suspect avoided speaking
B. the suspect took a bath
C. the suspect changed clothes
D. the suspect decided to confess honestly
Correct Answer: D
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 347 Topic: Sentence Interpretation Likelihood: Medium
Question: "The chairman's speech was full of hot air." This means that
A. it contained empty boastful talk
B. it was delivered outdoors
C. it was too fast
D. it was very long
Correct Answer: A
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 348 Topic: Sentence Interpretation Likelihood: Medium
Question: "When the teacher arrived, the noisy class became quiet as a grave." This means that
A. the class became gloomy
B. the class left the room
C. the class became completely silent
D. the class began to pray
Correct Answer: C
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 349 Topic: Sentence Interpretation Likelihood: Medium
Question: "By refusing to apologize, the player added insult to injury." This means that
A. he accepted blame
B. he made a bad situation worse
C. he avoided punishment
D. he explained the problem clearly
Correct Answer: B
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 350 Topic: Sentence Interpretation Likelihood: Medium
Question: "The candidate was told to read between the lines of the letter." This means that
A. the candidate should read quickly
B. the candidate should look for the implied meaning
C. the candidate should underline every word
D. the candidate should skip some parts
Correct Answer: B
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 351 Topic: Sentence Interpretation Likelihood: Medium
Question: "The governor's announcement took the traders off their guard." This means that
A. the traders left the market
B. the traders became angry
C. the traders were caught unprepared
D. the traders organized a protest
Correct Answer: C
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 352 Topic: Sentence Interpretation Likelihood: Medium
Question: "The new policy has put many parents on edge." This means that
A. many parents are uncertain about the date
B. many parents are ready to travel
C. many parents are happy
JAMB 2000 Original Practice Pack Page 43D. many parents are anxious
Correct Answer: D
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 353 Topic: Sentence Interpretation Likelihood: Medium
Question: "By helping the victims quietly, she proved that actions speak louder than words." This means that
A. what she did mattered more than what she said
B. she was praised publicly
C. her words were misunderstood
D. she should have spoken more
Correct Answer: A
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 354 Topic: Sentence Interpretation Likelihood: Medium
Question: "The striker's goal came against the run of play." This means that
A. the goal came when his team was not dominating
B. the crowd was silent
C. the goal was disallowed
D. the match was almost over
Correct Answer: A
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 355 Topic: Sentence Interpretation Likelihood: Medium
Question: "The chairman asked everyone to take the bull by the horns." This means that
A. he wanted them to act carelessly
B. he wanted them to avoid the issue
C. he wanted them to face the problem bravely
D. he wanted them to travel quickly
Correct Answer: C
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 356 Topic: Sentence Interpretation Likelihood: Medium
Question: "The accused was given the benefit of the doubt." This means that
A. he was given extra money
B. he was treated as not proven guilty
C. he was sentenced lightly
D. he was praised unfairly
Correct Answer: B
Explanation: The statement should be interpreted by its implied meaning, not the literal words.
Question 357 Topic: Reading Text and Literary Terms Likelihood: Medium
Question: Questions based on the prescribed reading text in JAMB usually test knowledge of
A. the publisher's warehouse
B. the author's passport details
C. font size and paper quality
D. plot, character, theme, and events
Correct Answer: D
Explanation: Reading-text questions focus on literary elements and key events.
Question 358 Topic: Reading Text and Literary Terms Likelihood: Medium
Question: A character who opposes the main character in a novel is called the
A. antagonist
B. prologue
C. chorus
D. narrator
Correct Answer: A
Explanation: The antagonist opposes the protagonist.
Question 359 Topic: Reading Text and Literary Terms Question: The time and place in which a story occurs is its
A. plot
B. symbol
C. tone
D. setting
Correct Answer: D
Explanation: Setting refers to where and when the story takes place.
Likelihood: Medium
Question 360 Topic: Reading Text and Literary Terms Question: The chain of events in a story is known as the
A. plot
B. mood
C. register
D. stanza
Correct Answer: A
Explanation: Plot is the arrangement of events in a narrative.
Likelihood: Medium
JAMB 2000 Original Practice Pack Page 44Question 361 Topic: Reading Text and Literary Terms Question: A central message or lesson in a literary work is its
A. chapter
B. punctuation
C. dialogue
D. theme
Correct Answer: D
Explanation: Theme is the underlying idea or message.
Likelihood: Medium
Question 362 Topic: Reading Text and Literary Terms Likelihood: Medium
Question: The character through whose eyes a story is mainly told may be identified by the
A. point of view
B. table of contents
C. publisher's note
D. syllable count
Correct Answer: A
Explanation: Point of view concerns the perspective from which a story is narrated.
Question 363 Topic: Reading Text and Literary Terms Question: A sudden realization by a character in a story is called
A. an interval
B. an insight
C. a footnote
D. a chorus
Correct Answer: B
Explanation: An insight is a moment of understanding.
Likelihood: Medium
Question 364 Topic: Reading Text and Literary Terms Question: When a writer uses one thing to stand for another, the device is
Likelihood: Medium
A. punctuation
B. dialogue
C. symbolism
D. register
Correct Answer: C
Explanation: Symbolism gives deeper meaning through representation.
Question 365 Topic: Reading Text and Literary Terms Question: Conversation between characters in a novel is called
A. narration
B. setting
C. dialogue
D. summary
Correct Answer: C
Explanation: Dialogue refers to spoken exchange among characters.
Likelihood: Medium
Question 366 Topic: Reading Text and Literary Terms Question: The main character in a novel is called the
A. spectator
B. antagonist
C. witness
D. protagonist
Correct Answer: D
Explanation: The protagonist is the central character.
Likelihood: Medium
Question 367 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of seat?
A. great
B. bread
C. beat
D. head
Correct Answer: C
Explanation: 'seat' and 'beat' share the same vowel sound.
Question 368 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of ship?
A. seat
B. sheep
C. shape
D. sit
Correct Answer: D
Explanation: 'ship' and 'sit' share the same vowel sound.
Question 369 A. pool
B. fool
C. fall
D. pull
Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of full?
JAMB 2000 Original Practice Pack Page 45Correct Answer: D
Explanation: 'full' and 'pull' share the same vowel sound.
Question 370 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of cat?
A. cart
B. coat
C. cut
D. hat
Correct Answer: D
Explanation: 'cat' and 'hat' share the same vowel sound.
Question 371 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of cup?
A. luck
B. cope
C. cap
D. keep
Correct Answer: A
Explanation: 'cup' and 'luck' share the same vowel sound.
Question 372 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of hot?
A. height
B. hit
C. hut
D. pot
Correct Answer: D
Explanation: 'hot' and 'pot' share the same vowel sound.
Question 373 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of bird?
A. bed
B. beard
C. board
D. word
Correct Answer: D
Explanation: 'bird' and 'word' share the same vowel sound.
Question 374 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of late?
A. let
B. gate
C. light
D. lot
Correct Answer: B
Explanation: 'late' and 'gate' share the same vowel sound.
Question 375 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of cool?
A. coat
B. call
C. coal
D. pool
Correct Answer: D
Explanation: 'cool' and 'pool' share the same vowel sound.
Question 376 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of fear?
A. far
B. near
C. fair
D. fire
Correct Answer: B
Explanation: 'fear' and 'near' share the same vowel sound.
Question 377 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of day?
A. say
B. die
C. dear
D. dug
Correct Answer: A
Explanation: 'day' and 'say' share the same vowel sound.
Question 378 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of ten?
JAMB 2000 Original Practice Pack Page 46A. tan
B. tone
C. tin
D. pen
Correct Answer: D
Explanation: 'ten' and 'pen' share the same vowel sound.
Question 379 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of book?
A. buck
B. bake
C. look
D. back
Correct Answer: C
Explanation: 'book' and 'look' share the same vowel sound.
Question 380 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of farm?
A. calm
B. form
C. foam
D. firm
Correct Answer: A
Explanation: 'farm' and 'calm' share the same vowel sound.
Question 381 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of boy?
A. toy
B. bay
C. buy
D. bee
Correct Answer: A
Explanation: 'boy' and 'toy' share the same vowel sound.
Question 382 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of ride?
A. side
B. red
C. road
D. raid
Correct Answer: A
Explanation: 'ride' and 'side' share the same vowel sound.
Question 383 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of good?
A. god
B. gold
C. guard
D. wood
Correct Answer: D
Explanation: 'good' and 'wood' share the same vowel sound.
Question 384 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of man?
A. fan
B. mean
C. mine
D. moon
Correct Answer: A
Explanation: 'man' and 'fan' share the same vowel sound.
Question 385 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of cot?
A. lot
B. cat
C. cut
D. coat
Correct Answer: A
Explanation: 'cot' and 'lot' share the same vowel sound.
Question 386 A. meal
B. mail
C. pill
D. pool
Correct Answer: A
Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of peel?
JAMB 2000 Original Practice Pack Page 47Explanation: 'peel' and 'meal' share the same vowel sound.
Question 387 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of call?
A. cell
B. cool
C. coil
D. wall
Correct Answer: D
Explanation: 'call' and 'wall' share the same vowel sound.
Question 388 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of bed?
A. said
B. bid
C. bade
D. bird
Correct Answer: A
Explanation: 'bed' and 'said' share the same vowel sound.
Question 389 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of park?
A. poke
B. pack
C. dark
D. perk
Correct Answer: C
Explanation: 'park' and 'dark' share the same vowel sound.
Question 390 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of light?
A. late
B. lot
C. lid
D. might
Correct Answer: D
Explanation: 'light' and 'might' share the same vowel sound.
Question 391 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of mouse?
A. most
B. mass
C. moss
D. house
Correct Answer: D
Explanation: 'mouse' and 'house' share the same vowel sound.
Question 392 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of pay?
A. pie
B. pear
C. day
D. pea
Correct Answer: C
Explanation: 'pay' and 'day' share the same vowel sound.
Question 393 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of born?
A. bone
B. corn
C. barn
D. burn
Correct Answer: B
Explanation: 'born' and 'corn' share the same vowel sound.
Question 394 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of pin?
A. tin
B. pen
C. pane
D. pain
Correct Answer: A
Explanation: 'pin' and 'tin' share the same vowel sound.
Question 395 A. pole
Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of pool?
JAMB 2000 Original Practice Pack Page 48B. pull
C. poll
D. school
Correct Answer: D
Explanation: 'pool' and 'school' share the same vowel sound.
Question 396 Topic: Oral English - Vowel Sound Likelihood: Medium
Question: Which word contains the same vowel sound as the underlined part of rage?
A. ridge
B. rogue
C. page
D. rag
Correct Answer: C
Explanation: 'rage' and 'page' share the same vowel sound.
Question 397 Topic: Oral English - Consonant Sound Question: Which word begins with the same consonant sound as judge?
Likelihood: Medium
A. giant
B. zebra
C. chair
D. yacht
Correct Answer: A
Explanation: Both 'judge' and 'giant' begin with the /d■/ sound.
Question 398 Topic: Oral English - Consonant Sound Question: Which word begins with the same consonant sound as phone?
Likelihood: Medium
A. whale
B. vote
C. phase
D. photo
Correct Answer: C
Explanation: 'Phone' and 'phase' begin with the /f/ sound.
Question 399 Topic: Oral English - Consonant Sound Question: Which word begins with the same consonant sound as ship?
Likelihood: Medium
A. vision
B. church
C. sugar
D. garage
Correct Answer: C
Explanation: 'Ship' and 'sugar' begin with the /■/ sound in this context.
Question 400 Topic: Oral English - Consonant Sound Question: Which word ends with the same consonant sound as laugh?
Likelihood: Medium
A. bough
B. cough
C. through
D. though
Correct Answer: B
Explanation: 'Laugh' and 'cough' end with the /f/ sound.
Question 401 Topic: Oral English - Consonant Sound Question: Which word contains a silent letter?
A. belt
B. drum
C. debt
D. bend
Correct Answer: C
Explanation: The letter 'b' is silent in 'debt'
.
Likelihood: Low
Question 402 Topic: Oral English - Consonant Sound Question: Which word contains the /■/ sound?
A. songer
B. sing
C. sign
D. sine
Correct Answer: B
Explanation: The final sound in 'sing' is /■/.
Likelihood: Low
Question 403 Topic: Oral English - Consonant Sound Likelihood: Low
Question: Which word has the same initial consonant sound as chemistry in standard usage?
A. chew
B. child
C. chorus
D. chair
Correct Answer: C
Explanation: In these words, 'ch' is pronounced /k/.
JAMB 2000 Original Practice Pack Page 49Question 404 Topic: Oral English - Consonant Sound Question: Which word contains the /θ/ sound?
A. this
B. they
C. then
D. think
Correct Answer: D
Explanation: The initial sound in 'think' is voiceless /θ/.
Likelihood: Low
Question 405 Topic: Oral English - Consonant Sound Question: Which word contains the /ð/ sound?
A. thin
B. thick
C. thank
D. this
Correct Answer: D
Explanation: The initial sound in 'this' is voiced /ð/.
Likelihood: Low
Question 406 Topic: Oral English - Consonant Sound Question: Which word has a final /t■/ sound?
A. watch
B. badge
C. wash
D. wage
Correct Answer: A
Explanation: 'Watch' ends with /t■/.
Likelihood: Low
Question 407 Topic: Oral English - Consonant Sound Question: Which word has the same final consonant sound as measure?
Likelihood: Low
A. badge
B. march
C. garage
D. message
Correct Answer: C
Explanation: Both 'measure' and 'garage' can end with the /■/ sound.
Question 408 Topic: Oral English - Consonant Sound Question: Which word begins with the /w/ sound?
A. one
B. who
C. honour
D. whole
Correct Answer: A
Explanation: 'One' begins with /w/.
Likelihood: Low
Question 409 Topic: Oral English - Consonant Sound Likelihood: Low
Question: Which word begins with the same consonant sound as xylophone?
A. xerox
B. box
C. axe
D. zebra
Correct Answer: D
Explanation: 'Xylophone' starts with the /z/ sound.
Question 410 Topic: Oral English - Consonant Sound Question: Which word ends with a silent consonant letter?
A. camp
B. comb
C. calmly
D. come
Correct Answer: B
Explanation: The 'b' in 'comb' is silent.
Likelihood: Low
Question 411 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word photograph?
A. fourth
B. third
C. second
D. first
Correct Answer: D
Explanation: The primary stress in 'photograph' falls on the first syllable.
Question 412 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word photography?
A. second
B. third
C. first
JAMB 2000 Original Practice Pack Page 50D. fourth
Correct Answer: A
Explanation: The primary stress in 'photography' falls on the second syllable.
Question 413 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word photographic?
A. second
B. third
C. first
D. fourth
Correct Answer: B
Explanation: The primary stress in 'photographic' falls on the third syllable.
Question 414 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word desert?
A. fourth
B. third
C. second
D. first
Correct Answer: D
Explanation: The primary stress in 'desert' falls on the first syllable.
Question 415 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word record?
A. second
B. fourth
C. first
D. third
Correct Answer: C
Explanation: The primary stress in 'record' falls on the first syllable.
Question 416 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word present?
A. third
B. second
C. fourth
D. first
Correct Answer: D
Explanation: The primary stress in 'present' falls on the first syllable.
Question 417 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word contract?
A. fourth
B. first
C. second
D. third
Correct Answer: B
Explanation: The primary stress in 'contract' falls on the first syllable.
Question 418 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word export?
A. third
B. fourth
C. first
D. second
Correct Answer: C
Explanation: The primary stress in 'export' falls on the first syllable.
Question 419 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word important?
A. third
B. fourth
C. first
D. second
Correct Answer: D
Explanation: The primary stress in 'important' falls on the second syllable.
Question 420 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word education?
A. second
B. first
C. third
D. fourth
Correct Answer: C
Explanation: The primary stress in 'education' falls on the third syllable.
JAMB 2000 Original Practice Pack Page 51Question 421 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word opportunity?
A. fourth
B. second
C. first
D. third
Correct Answer: D
Explanation: The primary stress in 'opportunity' falls on the third syllable.
Question 422 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word development?
A. second
B. first
C. third
D. fourth
Correct Answer: A
Explanation: The primary stress in 'development' falls on the second syllable.
Question 423 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word information?
A. fourth
B. first
C. third
D. second
Correct Answer: C
Explanation: The primary stress in 'information' falls on the third syllable.
Question 424 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word communication?
A. second
B. third
C. first
D. fourth
Correct Answer: D
Explanation: The primary stress in 'communication' falls on the fourth syllable.
Question 425 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word determine?
A. second
B. first
C. third
D. fourth
Correct Answer: A
Explanation: The primary stress in 'determine' falls on the second syllable.
Question 426 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word economic?
A. second
B. fourth
C. first
D. third
Correct Answer: D
Explanation: The primary stress in 'economic' falls on the third syllable.
Question 427 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word academic?
A. third
B. second
C. fourth
D. first
Correct Answer: A
Explanation: The primary stress in 'academic' falls on the third syllable.
Question 428 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word conversation?
A. fourth
B. second
C. first
D. third
Correct Answer: D
Explanation: The primary stress in 'conversation' falls on the third syllable.
Question 429 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word application?
A. fourth
B. first
C. third
D. second
JAMB 2000 Original Practice Pack Page 52Correct Answer: C
Explanation: The primary stress in 'application' falls on the third syllable.
Question 430 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word agriculture?
A. fourth
B. second
C. third
D. first
Correct Answer: C
Explanation: The primary stress in 'agriculture' falls on the third syllable.
Question 431 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word examination?
A. fourth
B. second
C. third
D. first
Correct Answer: A
Explanation: The primary stress in 'examination' falls on the fourth syllable.
Question 432 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word political?
A. fourth
B. third
C. second
D. first
Correct Answer: C
Explanation: The primary stress in 'political' falls on the second syllable.
Question 433 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word geography?
A. third
B. second
C. fourth
D. first
Correct Answer: B
Explanation: The primary stress in 'geography' falls on the second syllable.
Question 434 Topic: Oral English - Stress Likelihood: Low
Question: Which syllable is stressed in the word technology?
A. fourth
B. second
C. third
D. first
Correct Answer: B
Explanation: The primary stress in 'technology' falls on the second syllable.
Question 435 Topic: Punctuation and Capitalization Likelihood: Low
Question: Choose the correctly punctuated sentence.
A. The teacher said, 'Work hard and be honest'
.
B. The teacher said 'Work hard and be honest'
.
C. The teacher said 'Work hard and be honest.'
D. The teacher said, 'Work hard and be honest.'
Correct Answer: D
Explanation: Direct speech is correctly introduced with a comma and enclosed in quotation marks with the full stop inside.
Question 436 Topic: Punctuation and Capitalization Likelihood: Low
Question: Choose the sentence with correct capitalization.
A. The niger River flows through West Africa.
B. The Niger River flows through West Africa.
C. The Niger River flows through west africa.
D. The Niger river flows through west Africa.
Correct Answer: B
Explanation: Proper nouns begin with capital letters.
Question 437 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a vulnerable explanation of the issue,' the word closest in meaning to 'vulnerable' is
A. exposed
B. firm
C. silent
D. protected
Correct Answer: A
Explanation: 'vulnerable' is closest in meaning to 'exposed'
.
Question 438 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a meticulous explanation of the issue,' the word closest in meaning to 'meticulous' is
JAMB 2000 Original Practice Pack Page 53A. angry
B. careless
C. rapid
D. thorough
Correct Answer: D
Explanation: 'meticulous' is closest in meaning to 'thorough'
.
Question 439 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a plausible explanation of the issue,' the word closest in meaning to 'plausible' is
A. believable
B. weak
C. empty
D. ridiculous
Correct Answer: A
Explanation: 'plausible' is closest in meaning to 'believable'
.
Question 440 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a resilient explanation of the issue,' the word closest in meaning to 'resilient' is
A. lazy
B. tough
C. timid
D. fragile
Correct Answer: B
Explanation: 'resilient' is closest in meaning to 'tough'
.
Question 441 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a tenuous explanation of the issue,' the word closest in meaning to 'tenuous' is
A. strong
B. clear
C. weak
D. firm
Correct Answer: C
Explanation: 'tenuous' is closest in meaning to 'weak'
.
Question 442 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a abrupt explanation of the issue,' the word closest in meaning to 'abrupt' is
A. careful
B. sudden
C. gradual
D. gentle
Correct Answer: B
Explanation: 'abrupt' is closest in meaning to 'sudden'
.
Question 443 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a arduous explanation of the issue,' the word closest in meaning to 'arduous' is
A. difficult
B. pleasant
C. easy
D. mild
Correct Answer: A
Explanation: 'arduous' is closest in meaning to 'difficult'
.
Question 444 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a concise explanation of the issue,' the word closest in meaning to 'concise' is
A. long
B. careless
C. vague
D. brief
Correct Answer: D
Explanation: 'concise' is closest in meaning to 'brief'
.
Question 445 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a deplete explanation of the issue,' the word closest in meaning to 'deplete' is
A. increase
B. delay
C. reduce
D. admire
Correct Answer: C
Explanation: 'deplete' is closest in meaning to 'reduce'
.
Question 446 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a explicit explanation of the issue,' the word closest in meaning to 'explicit' is
A. hidden
B. careless
C. clear
D. brief
Correct Answer: C
JAMB 2000 Original Practice Pack Page 54Explanation: 'explicit' is closest in meaning to 'clear'
.
Question 447 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a gratify explanation of the issue,' the word closest in meaning to 'gratify' is
A. please
B. injure
C. sadden
D. delay
Correct Answer: A
Explanation: 'gratify' is closest in meaning to 'please'
.
Question 448 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a inevitable explanation of the issue,' the word closest in meaning to 'inevitable' is
A. unavoidable
B. doubtful
C. rare
D. optional
Correct Answer: A
Explanation: 'inevitable' is closest in meaning to 'unavoidable'
.
Question 449 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a lucid explanation of the issue,' the word closest in meaning to 'lucid' is
A. dark
B. clear
C. brief
D. harsh
Correct Answer: B
Explanation: 'lucid' is closest in meaning to 'clear'
.
Question 450 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a mundane explanation of the issue,' the word closest in meaning to 'mundane' is
A. noble
B. rare
C. ordinary
D. strange
Correct Answer: C
Explanation: 'mundane' is closest in meaning to 'ordinary'
.
Question 451 Topic: Synonyms in Context Likelihood: Low
Question: In the sentence, 'The report offered a notion explanation of the issue,' the word closest in meaning to 'notion' is
A. crowd
B. measure
C. penalty
D. idea
Correct Answer: D
Explanation: 'notion' is closest in meaning to 'idea'
.
Question 452 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a abstain statement on the matter.
A. refuse
B. delay
C. ignore
D. participate
Correct Answer: D
Explanation: The opposite of 'abstain' here is 'participate'
.
Question 453 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a adverse statement on the matter.
A. favourable
B. brief
C. harmful
D. sudden
Correct Answer: A
Explanation: The opposite of 'adverse' here is 'favourable'
.
Question 454 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a candid statement on the matter.
A. bold
B. evasive
C. frank
D. clear
Correct Answer: B
Explanation: The opposite of 'candid' here is 'evasive'
.
Question 455 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a deficit statement on the matter.
A. surplus
JAMB 2000 Original Practice Pack Page 55B. need
C. waste
D. debt
Correct Answer: A
Explanation: The opposite of 'deficit' here is 'surplus'
.
Question 456 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a deteriorate statement on the matter.
A. weaken
B. decline
C. drop
D. improve
Correct Answer: D
Explanation: The opposite of 'deteriorate' here is 'improve'
.
Question 457 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a external statement on the matter.
A. broad
B. visible
C. internal
D. hidden
Correct Answer: C
Explanation: The opposite of 'external' here is 'internal'
.
Question 458 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a fragile statement on the matter.
A. durable
B. small
C. weak
D. careless
Correct Answer: A
Explanation: The opposite of 'fragile' here is 'durable'
.
Question 459 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a hostility statement on the matter.
A. bitterness
B. friendliness
C. anger
D. fear
Correct Answer: B
Explanation: The opposite of 'hostility' here is 'friendliness'
.
Question 460 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a legible statement on the matter.
A. illegible
B. clear
C. visible
D. formal
Correct Answer: A
Explanation: The opposite of 'legible' here is 'illegible'
.
Question 461 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a optimism statement on the matter.
A. despair
B. hope
C. patience
D. strength
Correct Answer: A
Explanation: The opposite of 'optimism' here is 'despair'
.
Question 462 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a ruthless statement on the matter.
A. silent
B. strict
C. fearful
D. compassionate
Correct Answer: D
Explanation: The opposite of 'ruthless' here is 'compassionate'
.
Question 463 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a vacant statement on the matter.
A. wide
B. cheap
C. empty
D. occupied
Correct Answer: D
Explanation: The opposite of 'vacant' here is 'occupied'
.
JAMB 2000 Original Practice Pack Page 56Question 464 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a vanish statement on the matter.
A. fall
B. appear
C. hide
D. move
Correct Answer: B
Explanation: The opposite of 'vanish' here is 'appear'
.
Question 465 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a virtue statement on the matter.
A. respect
B. honesty
C. honour
D. vice
Correct Answer: D
Explanation: The opposite of 'virtue' here is 'vice'
.
Question 466 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The chairman made a yield statement on the matter.
A. resist
B. submit
C. produce
D. answer
Correct Answer: A
Explanation: The opposite of 'yield' here is 'resist'
.
Question 467 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to put his house in order before the next audit,' the expression means to
A. organize his affairs properly
B. repair his roof
C. move to a new place
D. decorate his home
Correct Answer: A
Explanation: The expression means 'organize his affairs properly'
.
Question 468 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to keep his head above water before the next audit,' the expression means to
A. speak loudly
B. avoid failure despite difficulty
C. swim fast
D. remain proud
Correct Answer: B
Explanation: The expression means 'avoid failure despite difficulty'
.
Question 469 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to walk on eggshells before the next audit,' the expression means to
A. act very carefully
B. move slowly
C. travel secretly
D. behave proudly
Correct Answer: A
Explanation: The expression means 'act very carefully'
.
Question 470 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to hit the ground running before the next audit,' the expression means to
A. fall suddenly
B. start very energetically
C. begin carelessly
D. stop working
Correct Answer: B
Explanation: The expression means 'start very energetically'
.
Question 471 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to go back to the drawing board before the next audit,' the expression means to
A. draw a map
B. return to school
C. repeat a speech
D. start planning again from the beginning
Correct Answer: D
Explanation: The expression means 'start planning again from the beginning'
.
Question 472 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to throw his weight around before the next audit,' the expression means to
A. exercise often
B. use his influence in an unfair way
C. work slowly
JAMB 2000 Original Practice Pack Page 57D. travel heavily
Correct Answer: B
Explanation: The expression means 'use his influence in an unfair way'
.
Question 473 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to know the ropes before the next audit,' the expression means to
A. win a contest
B. tie knots well
C. train new workers
D. understand how a system works
Correct Answer: D
Explanation: The expression means 'understand how a system works'
.
Question 474 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to move heaven and earth before the next audit,' the expression means to
A. pray daily
B. travel widely
C. cause confusion
D. do everything possible
Correct Answer: D
Explanation: The expression means 'do everything possible'
.
Question 475 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to a drop in the ocean before the next audit,' the expression means to
A. a very small amount
B. an unexpected gift
C. a useful effort
D. a heavy rainfall
Correct Answer: A
Explanation: The expression means 'a very small amount'
.
Question 476 Topic: Idiomatic Expression Likelihood: Low
Question: In the sentence, 'The new manager promised to miss the boat before the next audit,' the expression means to
A. change direction
B. lose an opportunity
C. travel late
D. sail at night
Correct Answer: B
Explanation: The expression means 'lose an opportunity'
.
Question 477 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of insurance?
A. premium
B. whistle
C. bacteria
D. metaphor
Correct Answer: A
Explanation: A premium is a common insurance term.
Question 478 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of navigation?
A. compass
B. chorus
C. cabinet
D. enzyme
Correct Answer: A
Explanation: A compass is used in navigation.
Question 479 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of tailoring?
A. ledger
B. ballot
C. electrode
D. seam
Correct Answer: D
Explanation: A seam is a tailoring term.
Question 480 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of computing?
A. software
B. plaintiff
C. chlorophyll
D. chorus
Correct Answer: A
Explanation: Software belongs to computing.
JAMB 2000 Original Practice Pack Page 58Question 481 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of theatre?
A. syllable
B. invoice
C. rehearsal
D. beaker
Correct Answer: C
Explanation: Rehearsal is a theatre term.
Question 482 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of transport?
A. stanza
B. hypha
C. litigation
D. timetable
Correct Answer: D
Explanation: Timetable is commonly used in transport.
Question 483 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of religion?
A. sermon
B. electrolyte
C. discount
D. offside
Correct Answer: A
Explanation: Sermon belongs to religious register.
Question 484 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of printing?
A. franchise
B. dribble
C. pollinate
D. proofread
Correct Answer: D
Explanation: Proofread is a printing/editing term.
Question 485 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of economics?
A. rhizome
B. incision
C. inflation
D. alliteration
Correct Answer: C
Explanation: Inflation is an economics term.
Question 486 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of music?
A. mortar
B. friction
C. tempo
D. ledger
Correct Answer: C
Explanation: Tempo belongs to music.
Question 487 Topic: Oral English Likelihood: Low
Question: Which word contains the same vowel sound as the underlined part of coat?
A. cot
B. goat
C. court
D. cut
Correct Answer: B
Explanation: 'Coat' and 'goat' share the /o■/ sound.
Question 488 Topic: Oral English Likelihood: Low
Question: Which word contains the same vowel sound as the underlined part of pen?
A. moon
B. men
C. mean
D. mine
Correct Answer: B
Explanation: 'Pen' and 'men' share the /e/ sound.
Question 489 Topic: Oral English Likelihood: Low
Question: Which syllable is stressed in the word committee?
A. first
B. third
C. fourth
D. second
JAMB 2000 Original Practice Pack Page 59Correct Answer: D
Explanation: The stress in 'committee' falls on the second syllable.
Question 490 Topic: Oral English Likelihood: Low
Question: Which syllable is stressed in the word engineer?
A. second
B. third
C. fourth
D. first
Correct Answer: B
Explanation: The stress in 'engineer' falls on the third syllable.
Question 491 Topic: Oral English Likelihood: Low
Question: Which syllable is stressed in the word politics?
A. first
B. second
C. fourth
D. third
Correct Answer: A
Explanation: The stress in 'politics' falls on the first syllable.
Question 492 Topic: Oral English Likelihood: Low
Question: Which word begins with the same consonant sound as genre?
A. goat
B. giant
C. game
D. garage
Correct Answer: D
Explanation: In these examples, 'genre' and 'garage' can realize the /■/ sound.
Question 493 Topic: Oral English Likelihood: Low
Question: Which word begins with the same consonant sound as yacht?
A. yes
B. chef
C. gem
D. who
Correct Answer: A
Explanation: Both begin with the /j/ sound.
Question 494 Topic: Oral English Likelihood: Low
Question: Which word contains the /■/ sound?
A. notionless
B. nation
C. native
D. nature
Correct Answer: B
Explanation: 'Nation' contains the /■/ sound in its second syllable.
Question 495 Topic: Oral English Likelihood: Low
Question: Which word contains the /t■/ sound?
A. measure
B. nature
C. garage
D. nation
Correct Answer: B
Explanation: 'Nature' contains the /t■/ sound in its second syllable.
Question 496 Topic: Oral English Likelihood: Low
Question: Which word begins with the same consonant sound as queen?
A. quick
B. church
C. chemical
D. genre
Correct Answer: A
Explanation: Both begin with the /kw/ cluster.
Question 497 Topic: Sentence Interpretation Likelihood: Low
Question: "The board has drawn a line in the sand on exam malpractice." This means that
A. the board wants to delay the exam
B. the board is uncertain
C. the board has changed the venue
D. the board has set a firm limit that should not be crossed
Correct Answer: D
Explanation: The expression means a clear boundary or final position has been set.
Question 498 Topic: Registers Likelihood: Low
Question: Which of the following belongs to the register of aviation?
JAMB 2000 Original Practice Pack Page 60A. capsule
B. ledger
C. runway
D. syllable
Correct Answer: C
Explanation: 'Runway' belongs to aviation.
Question 499 Topic: Reading Text and Literary Terms Likelihood: Low
Question: The character who tells the story using 'I' is speaking from the
A. third-person point of view
B. objective summary
C. dramatic point of view
D. first-person point of view
Correct Answer: D
Explanation: Use of 'I' signals first-person narration.
Question 500 Topic: Antonyms in Context Likelihood: Low
Question: Choose the option opposite in meaning to the underlined word: The referee took an impartial decision.
A. just
B. neutral
C. fair
D. biased
Correct Answer: D
Explanation: The opposite of 'impartial' is 'biased'
.
Biology
500 original multiple-choice questions with answers, explanations, topic labels, and likelihood ratings.
Section 1: Most repeated topics
- Cell structure and organization
- Nutrition in plants and animals
- Transport and respiration
- Ecology and ecosystems
- Reproduction and growth
- Genetics, heredity, and variation
- Coordination and control
- Classification of organisms
Section 2: This year's likely focus areas
High priority: Cell biology, Nutrition, Ecology, Genetics, Transport in plants and mammals
Medium priority: Reproduction, Respiration, Excretion, Coordination and control
Low priority: Applied biology edge topics, Less frequent taxonomy details
Section 3: 500 original questions
Questions are ordered broadly from higher-yield areas to lower-frequency areas within the subject.
JAMB 2000 Original Practice Pack Page 61Question 1 Topic: Cell Structure and Organization Likelihood: High
Question: The organelle that controls the activities of the cell is the
A. mitochondrion
B. nucleus
C. ribosome
D. vacuole
Correct Answer: B
Explanation: The nucleus contains genetic material and controls cell activities.
Question 2 Topic: Cell Structure and Organization Likelihood: High
Question: The site of aerobic respiration in the cell is the
A. mitochondrion
B. lysosome
C. Golgi body
D. centrosome
Correct Answer: A
Explanation: Most aerobic respiration occurs in the mitochondrion.
Question 3 Topic: Cell Structure and Organization Likelihood: High
Question: Ribosomes are mainly concerned with
A. lipid digestion
B. storage of water
C. cell division
D. protein synthesis
Correct Answer: D
Explanation: Ribosomes are the sites of protein synthesis.
Question 4 Topic: Cell Structure and Organization Likelihood: High
Question: The cell membrane is described as selectively permeable because it
A. allows some substances to pass more easily than others
B. prevents water from passing
C. has a rigid cellulose layer
D. allows every substance to pass freely
Correct Answer: A
Explanation: Selective permeability means some substances pass through more readily than others.
Question 5 Topic: Cell Structure and Organization Likelihood: High
Question: The plant cell organelle that contains chlorophyll is the
A. lysosome
B. chloroplast
C. nucleus
D. centriole
Correct Answer: B
Explanation: Chloroplasts contain chlorophyll for photosynthesis.
Question 6 Topic: Cell Structure and Organization Likelihood: High
Question: The large central vacuole of a plant cell mainly helps to
A. carry out respiration
B. maintain turgidity
C. control heredity
D. produce enzymes
Correct Answer: B
Explanation: Cell sap in the vacuole helps maintain turgor pressure.
Question 7 Topic: Cell Structure and Organization Likelihood: High
Question: The cellulose layer surrounding a plant cell is the
A. cell wall
B. cell membrane
C. capsid
D. nuclear envelope
Correct Answer: A
Explanation: The cell wall gives support and protection.
Question 8 Topic: Cell Structure and Organization Likelihood: High
Question: In unicellular organisms, diffusion is adequate for transport because
A. their bodies are always green
B. the surface area to volume ratio is high
C. they possess no protoplasm
D. their nuclei are absent
Correct Answer: B
Explanation: Small size gives a high surface-area-to-volume ratio.
Question 9 Topic: Cell Structure and Organization Likelihood: High
Question: The process by which materials move from a region of higher concentration to lower concentration is
A. osmosis
B. diffusion
C. translocation
D. active transport
JAMB 2000 Original Practice Pack Page 62Correct Answer: B
Explanation: Diffusion is passive movement down a concentration gradient.
Question 10 Topic: Cell Structure and Organization Likelihood: High
Question: Osmosis occurs through a
A. rigid wall only
B. thick cuticle
C. partially permeable membrane
D. woody stem
Correct Answer: C
Explanation: Osmosis specifically requires a partially permeable membrane.
Question 11 Topic: Cell Structure and Organization Likelihood: High
Question: Active transport differs from diffusion because it
A. always moves gases
B. takes place without a membrane
C. occurs only in plants
D. requires energy
Correct Answer: D
Explanation: Active transport uses energy to move materials against a gradient.
Question 12 Topic: Cell Structure and Organization Likelihood: High
Question: If a red blood cell is placed in distilled water, it will
A. become rigid
B. shrink
C. swell and burst
D. remain unchanged
Correct Answer: C
Explanation: Water enters the cell by osmosis in a hypotonic solution.
Question 13 Topic: Cell Structure and Organization Likelihood: High
Question: A plant cell placed in concentrated salt solution becomes
A. dividing rapidly
B. flaccid but unchanged
C. turgid
D. plasmolysed
Correct Answer: D
Explanation: Water leaves the cell and the protoplast pulls away from the cell wall.
Question 14 Topic: Cell Structure and Organization Likelihood: High
Question: The process by which a cell divides to form two identical daughter cells is
A. meiosis
B. fertilization
C. mitosis
D. budding
Correct Answer: C
Explanation: Mitosis produces identical cells for growth and repair.
Question 15 Topic: Cell Structure and Organization Likelihood: High
Question: Meiosis is important because it
A. reduces chromosome number in gametes
B. produces body tissues
C. increases chlorophyll
D. causes plasmolysis
Correct Answer: A
Explanation: Meiosis halves the chromosome number for sexual reproduction.
Question 16 Topic: Cell Structure and Organization Likelihood: High
Question: The genetic material found in the nucleus is
A. RNA only
B. glycogen
C. DNA
D. ATP
Correct Answer: C
Explanation: DNA stores hereditary information.
Question 17 Topic: Cell Structure and Organization Likelihood: High
Question: Tissues are groups of
A. similar cells performing related functions
B. molecules with the same shape
C. organs working together
D. gametes undergoing fusion
Correct Answer: A
Explanation: A tissue consists of similar cells with a common function.
Question 18 Topic: Cell Structure and Organization Likelihood: High
Question: An organ is best described as
JAMB 2000 Original Practice Pack Page 63A. one specialized cell
B. many organs forming a system
C. a group of tissues working together
D. a membrane-covered cavity
Correct Answer: C
Explanation: Organs are made of tissues performing a particular function.
Question 19 Topic: Cell Structure and Organization Likelihood: High
Question: The basic unit of life is the
A. cell
B. atom
C. gene
D. organ
Correct Answer: A
Explanation: The cell is the structural and functional unit of life.
Question 20 Topic: Cell Structure and Organization Likelihood: High
Question: The jelly-like substance in which cell organelles are suspended is the
A. chromosome
B. nucleolus
C. cytoplasm
D. cell wall
Correct Answer: C
Explanation: The cytoplasm contains organelles and is the site of many reactions.
Question 21 Topic: Cell Structure and Organization Likelihood: High
Question: The process by which white blood cells engulf pathogens is
A. plasmolysis
B. pinocytosis
C. dialysis
D. phagocytosis
Correct Answer: D
Explanation: Phagocytosis involves the engulfment of solid particles.
Question 22 Topic: Cell Structure and Organization Likelihood: High
Question: An organism that consists of only one cell is described as
A. unicellular
B. multicellular
C. colonial only
D. saprophytic
Correct Answer: A
Explanation: Unicellular organisms have a single cell.
Question 23 Topic: Cell Structure and Organization Likelihood: High
Question: The thread-like structures that become visible during cell division are
A. vacuoles
B. chromosomes
C. spores
D. vesicles
Correct Answer: B
Explanation: Chromosomes carry genes and become clearly visible during division.
Question 24 Topic: Cell Structure and Organization Likelihood: High
Question: The organelle responsible for packaging materials for secretion is the
A. centriole
B. chromatin
C. ribosome
D. Golgi apparatus
Correct Answer: D
Explanation: The Golgi apparatus modifies and packages secretions.
Question 25 Topic: Cell Structure and Organization Likelihood: High
Question: Lysosomes are rich in
A. digestive enzymes
B. chlorophyll
C. bile salts
D. hemoglobin
Correct Answer: A
Explanation: Lysosomes contain enzymes for intracellular digestion.
Question 26 Topic: Cell Structure and Organization Likelihood: High
Question: The movement of water from the soil into root hairs occurs mainly by
A. diffusion only
B. osmosis
C. active transport
D. transpiration
Correct Answer: B
JAMB 2000 Original Practice Pack Page 64Explanation: Water moves into root hair cells by osmosis.
Question 27 Topic: Cell Structure and Organization Likelihood: High
Question: A turgid plant cell contains
A. a collapsed cell membrane
B. no cell wall
C. a vacuole swollen with cell sap
D. fewer chromosomes
Correct Answer: C
Explanation: Turgidity is due to water-filled vacuole pressing against the wall.
Question 28 Topic: Cell Structure and Organization Likelihood: High
Question: The spindle fibres formed during cell division are important for
A. separating chromosomes
B. forming chlorophyll
C. producing antibodies
D. digesting food
Correct Answer: A
Explanation: Spindle fibres move chromosomes to opposite poles.
Question 29 Topic: Cell Structure and Organization Likelihood: High
Question: The nucleolus is involved in the formation of
A. chloroplasts
B. cell walls
C. vacuoles
D. ribosomes
Correct Answer: D
Explanation: The nucleolus helps in ribosome formation.
Question 30 Topic: Cell Structure and Organization Likelihood: High
Question: A membrane-bound sac used for storage in cells is the
A. chromosome
B. vacuole
C. ribosome
D. centriole
Correct Answer: B
Explanation: Vacuoles store materials such as cell sap.
Question 31 Topic: Variety of Organisms Likelihood: High
Question: The unit used in the classification of closely related organisms is the
A. phylum
B. order
C. species
D. kingdom
Correct Answer: C
Explanation: Species is the basic unit of classification.
Question 32 Topic: Variety of Organisms Likelihood: High
Question: The science of grouping organisms is known as
A. taxonomy
B. embryology
C. physiology
D. cytology
Correct Answer: A
Explanation: Taxonomy deals with classification.
Question 33 Topic: Variety of Organisms Likelihood: High
Question: A major feature that distinguishes vertebrates from invertebrates is the presence of
A. joints
B. blood
C. a backbone
D. wings
Correct Answer: C
Explanation: Vertebrates possess a vertebral column.
Question 34 Topic: Variety of Organisms Likelihood: High
Question: Mammals are distinguished from other vertebrates mainly by the presence of
A. scales
B. gills
C. claws
D. mammary glands
Correct Answer: D
Explanation: Mammary glands are characteristic of mammals.
Question 35 Topic: Variety of Organisms Likelihood: High
Question: Birds are well adapted for flight because they possess
A. light hollow bones
JAMB 2000 Original Practice Pack Page 65B. external gills
C. soft skin
D. a double shell
Correct Answer: A
Explanation: Hollow bones reduce body weight.
Question 36 Topic: Variety of Organisms Likelihood: High
Question: The body covering of reptiles is mainly
A. dry scales
B. feathers
C. moist skin
D. fur
Correct Answer: A
Explanation: Reptiles have dry, keratinized scales.
Question 37 Topic: Variety of Organisms Likelihood: High
Question: Fish obtain oxygen from water mainly with the aid of
A. skin pores
B. gills
C. spiracles
D. lungs
Correct Answer: B
Explanation: Gills exchange gases in water.
Question 38 Topic: Variety of Organisms Likelihood: High
Question: Annelids are characterized by
A. segmented bodies
B. jointed appendages
C. flowers
D. wings
Correct Answer: A
Explanation: Annelids such as earthworms are segmented.
Question 39 Topic: Variety of Organisms Likelihood: High
Question: Insects belong to the phylum
A. Arthropoda
B. Mollusca
C. Annelida
D. Chordata
Correct Answer: A
Explanation: Insects are arthropods.
Question 40 Topic: Variety of Organisms Likelihood: High
Question: The body of an insect is divided into
A. head, thorax and abdomen
B. head and trunk
C. head, neck and tail
D. cephalothorax and abdomen
Correct Answer: A
Explanation: Insects have three body regions.
Question 41 Topic: Variety of Organisms Likelihood: High
Question: Arachnids differ from insects because arachnids possess
A. wings
B. four pairs of legs
C. one pair of antennae
D. three body segments
Correct Answer: B
Explanation: Arachnids have eight legs.
Question 42 Topic: Variety of Organisms Likelihood: High
Question: A fungus differs from a green plant because it
A. reproduces
B. lacks chlorophyll
C. has cell walls
D. stores food
Correct Answer: B
Explanation: Fungi do not photosynthesize because they lack chlorophyll.
Question 43 Topic: Variety of Organisms Likelihood: High
Question: The thread-like structures that make up the body of most fungi are
A. hyphae
B. stomata
C. xylem vessels
D. cilia
Correct Answer: A
Explanation: Hyphae collectively form the mycelium.
JAMB 2000 Original Practice Pack Page 66Question 44 Topic: Variety of Organisms Likelihood: High
Question: A protozoan is typically
A. a vertebrate
B. multicellular and green
C. a flowering plant
D. unicellular
Correct Answer: D
Explanation: Protozoa are one-celled organisms.
Question 45 Topic: Variety of Organisms Likelihood: High
Question: Bacteria are placed in a different kingdom mainly because they
A. reproduce rapidly
B. lack a true nucleus
C. are microscopic
D. live in water
Correct Answer: B
Explanation: Bacteria are prokaryotic.
Question 46 Topic: Variety of Organisms Likelihood: High
Question: Euglena is often described as both plant-like and animal-like because it
A. produces milk
B. has feathers and fur
C. lives both on land and in water
D. has chloroplasts yet can move with a flagellum
Correct Answer: D
Explanation: Euglena is photosynthetic and motile.
Question 47 Topic: Variety of Organisms Likelihood: High
Question: The mode of nutrition in mushrooms is
A. saprophytic
B. parasitic only
C. autotrophic
D. holozoic
Correct Answer: A
Explanation: Mushrooms feed on dead organic matter.
Question 48 Topic: Variety of Organisms Likelihood: High
Question: The green alga Spirogyra reproduces asexually by
A. sporulation only
B. fragmentation
C. binary fission
D. budding
Correct Answer: B
Explanation: Spirogyra can break into fragments that grow independently.
Question 49 Topic: Variety of Organisms Likelihood: High
Question: A virus can be described as
A. a free-living plant
B. a protozoan predator
C. a multicellular fungus
D. an obligate intracellular parasite
Correct Answer: D
Explanation: Viruses reproduce only inside living cells.
Question 50 Topic: Variety of Organisms Likelihood: High
Question: The kingdom to which Amoeba belongs is
A. Plantae
B. Animalia
C. Protista
D. Fungi
Correct Answer: C
Explanation: Amoeba is a unicellular protist.
Question 51 Topic: Variety of Organisms Likelihood: High
Question: The exoskeleton of arthropods is made mainly of
A. lignin
B. chitin
C. cellulose
D. calcium phosphate
Correct Answer: B
Explanation: Arthropod exoskeletons contain chitin.
Question 52 Topic: Variety of Organisms Likelihood: High
Question: The locomotory organ used by Amoeba is the
A. flagellum
B. pseudopodium
C. cilium
JAMB 2000 Original Practice Pack Page 67D. tentacle
Correct Answer: B
Explanation: Amoeba moves with pseudopodia.
Question 53 Topic: Variety of Organisms Likelihood: High
Question: Paramecium moves with the aid of
A. cilia
B. setae
C. pseudopodia
D. wings
Correct Answer: A
Explanation: Paramecium is covered with cilia for movement.
Question 54 Topic: Variety of Organisms Likelihood: High
Question: The larval stage of a frog that lives in water is the
A. nymph
B. pupa
C. maggot
D. tadpole
Correct Answer: D
Explanation: The tadpole is the aquatic larva of frogs.
Question 55 Topic: Variety of Organisms Likelihood: High
Question: A characteristic feature of flowering plants is the production of
A. seeds enclosed in fruits
B. jointed limbs
C. gills
D. spores only
Correct Answer: A
Explanation: Angiosperms produce seeds enclosed in fruits.
Question 56 Topic: Variety of Organisms Likelihood: High
Question: The kingdom Animalia is made up of organisms that are generally
A. multicellular and heterotrophic
B. unicellular and autotrophic
C. prokaryotic and parasitic
D. photosynthetic and rooted
Correct Answer: A
Explanation: Animals are multicellular consumers.
Question 57 Topic: Variety of Organisms Likelihood: High
Question: Flatworms are generally characterized by
A. woody stems
B. feathers
C. dorso-ventrally flattened bodies
D. segmented wings
Correct Answer: C
Explanation: Platyhelminthes are flattened worms.
Question 58 Topic: Variety of Organisms Likelihood: High
Question: Molluscs are commonly recognized by their
A. soft unsegmented bodies
B. jointed appendages
C. radial symmetry only
D. backbones
Correct Answer: A
Explanation: Molluscs such as snails have soft bodies.
Question 59 Topic: Variety of Organisms Likelihood: High
Question: The phylum to which earthworm belongs is
A. Annelida
B. Mollusca
C. Chordata
D. Arthropoda
Correct Answer: A
Explanation: Earthworms are annelids.
Question 60 Topic: Variety of Organisms Likelihood: High
Question: A feature common to all living organisms is the ability to
A. fly
B. use lungs
C. carry out metabolism
D. make chlorophyll
Correct Answer: C
Explanation: All living things carry out metabolic activities.
JAMB 2000 Original Practice Pack Page 68Question 61 Topic: Nutrition Likelihood: High
Question: The gas required for photosynthesis is
A. hydrogen
B. oxygen
C. carbon dioxide
D. nitrogen
Correct Answer: C
Explanation: Plants use carbon dioxide during photosynthesis.
Question 62 Topic: Nutrition Likelihood: High
Question: The raw materials for photosynthesis are
A. oxygen and glucose
B. carbon dioxide and water
C. glucose and minerals
D. water and oxygen
Correct Answer: B
Explanation: Photosynthesis uses carbon dioxide and water.
Question 63 Topic: Nutrition Likelihood: High
Question: The green pigment that traps light energy is
A. chlorophyll
B. melanin
C. hemoglobin
D. insulin
Correct Answer: A
Explanation: Chlorophyll absorbs light for photosynthesis.
Question 64 Topic: Nutrition Likelihood: High
Question: The process by which green plants manufacture food is
A. photosynthesis
B. respiration
C. fermentation
D. transpiration
Correct Answer: A
Explanation: Photosynthesis produces organic food from simple substances.
Question 65 Topic: Nutrition Likelihood: High
Question: Glucose produced during photosynthesis is often stored in plants as
A. fat
B. glycogen
C. starch
D. protein
Correct Answer: C
Explanation: Plants commonly store excess glucose as starch.
Question 66 Topic: Nutrition Likelihood: High
Question: The test for starch in a leaf uses
A. biuret reagent
B. iodine solution
C. Benedict's solution
D. limewater
Correct Answer: B
Explanation: Iodine turns blue-black in the presence of starch.
Question 67 Topic: Nutrition Likelihood: High
Question: A leaf is adapted for photosynthesis because it has
A. woody texture
B. thick bark
C. a broad lamina
D. deep roots only
Correct Answer: C
Explanation: A broad lamina exposes a large surface area to light.
Question 68 Topic: Nutrition Likelihood: High
Question: Water loss from leaves mainly occurs through the
A. xylem vessels
B. petiole
C. cuticle only
D. stomata
Correct Answer: D
Explanation: Stomata are the main pores for gaseous exchange and water loss.
Question 69 Topic: Nutrition Likelihood: High
Question: The opening and closing of stomata are controlled by
A. guard cells
B. palisade cells
C. phloem cells
D. epidermal cells
JAMB 2000 Original Practice Pack Page 69Correct Answer: A
Explanation: Guard cells regulate the stomatal aperture.
Question 70 Topic: Nutrition Likelihood: High
Question: A factor that can reduce the rate of photosynthesis is
A. broad leaves
B. adequate water
C. low light intensity
D. high chlorophyll content
Correct Answer: C
Explanation: Insufficient light limits photosynthesis.
Question 71 Topic: Nutrition Likelihood: High
Question: The upward movement of water in a plant is aided by
A. fermentation
B. conjugation
C. transpiration pull
D. plasmolysis
Correct Answer: C
Explanation: Evaporation from leaves helps draw water upward.
Question 72 Topic: Nutrition Likelihood: High
Question: The food-making tissue in the leaf is mainly the
A. phloem
B. xylem
C. palisade mesophyll
D. epidermis
Correct Answer: C
Explanation: Palisade cells contain many chloroplasts.
Question 73 Topic: Nutrition Likelihood: High
Question: Carnivorous plants trap insects mainly to obtain
A. sugar
B. nitrogen compounds
C. carbon dioxide
D. oxygen
Correct Answer: B
Explanation: These plants often live in nitrogen-poor soils.
Question 74 Topic: Nutrition Likelihood: High
Question: The mode of nutrition in a green plant is
A. holozoic
B. saprophytic
C. parasitic
D. autotrophic
Correct Answer: D
Explanation: Green plants manufacture their own food.
Question 75 Topic: Nutrition Likelihood: High
Question: The structure in maize grain that stores food is the
A. endosperm
B. cotyledon
C. style
D. stigma
Correct Answer: A
Explanation: The endosperm stores reserve food in maize.
Question 76 Topic: Nutrition Likelihood: High
Question: The product of protein digestion is
A. glucose
B. glycerol
C. fatty acids
D. amino acids
Correct Answer: D
Explanation: Proteins are broken down into amino acids.
Question 77 Topic: Nutrition Likelihood: High
Question: The end products of fat digestion are
A. amino acids and glycerol
B. starch and sugar
C. glucose and water
D. fatty acids and glycerol
Correct Answer: D
Explanation: Lipase breaks fats into fatty acids and glycerol.
Question 78 Topic: Nutrition Likelihood: High
Question: Digestion of starch begins in the
JAMB 2000 Original Practice Pack Page 70A. mouth
B. stomach
C. large intestine
D. rectum
Correct Answer: A
Explanation: Salivary amylase begins starch digestion in the mouth.
Question 79 Topic: Nutrition Likelihood: High
Question: The enzyme in saliva that acts on starch is
A. pepsin
B. amylase
C. lipase
D. rennin
Correct Answer: B
Explanation: Salivary amylase converts starch to maltose.
Question 80 Topic: Nutrition Likelihood: High
Question: Pepsin works best in the
A. stomach
B. large intestine
C. mouth
D. ileum
Correct Answer: A
Explanation: Pepsin acts in the acidic environment of the stomach.
Question 81 Topic: Nutrition Likelihood: High
Question: Bile is produced by the
A. pancreas
B. gall bladder
C. duodenum
D. liver
Correct Answer: D
Explanation: The liver produces bile, which is stored in the gall bladder.
Question 82 Topic: Nutrition Likelihood: High
Question: Bile helps in digestion by
A. digesting proteins
B. breaking starch to sugar
C. neutralizing glucose
D. emulsifying fats
Correct Answer: D
Explanation: Bile breaks fat into tiny droplets.
Question 83 Topic: Nutrition Likelihood: High
Question: Most absorption of digested food occurs in the
A. stomach
B. colon
C. ileum
D. mouth
Correct Answer: C
Explanation: The ileum has villi for absorption.
Question 84 Topic: Nutrition Likelihood: High
Question: Finger-like projections in the small intestine are called
A. cilia
B. alveoli
C. villi
D. nephrons
Correct Answer: C
Explanation: Villi increase the absorptive surface area.
Question 85 Topic: Nutrition Likelihood: High
Question: The vitamin required for normal blood clotting is
A. vitamin C
B. vitamin A
C. vitamin D
D. vitamin K
Correct Answer: D
Explanation: Vitamin K is essential in clotting.
Question 86 Topic: Nutrition Likelihood: High
Question: A deficiency of vitamin C leads to
A. kwashiorkor
B. beriberi
C. rickets
D. scurvy
Correct Answer: D
JAMB 2000 Original Practice Pack Page 71Explanation: Vitamin C deficiency causes scurvy.
Question 87 Topic: Nutrition Likelihood: High
Question: A deficiency of vitamin D in children causes
A. rickets
B. night blindness
C. scurvy
D. pellagra
Correct Answer: A
Explanation: Vitamin D deficiency affects bone formation.
Question 88 Topic: Nutrition Likelihood: High
Question: Lack of protein in a child's diet may result in
A. kwashiorkor
B. anemia
C. goitre
D. rickets
Correct Answer: A
Explanation: Kwashiorkor is associated with severe protein deficiency.
Question 89 Topic: Nutrition Likelihood: High
Question: The mineral element needed for the formation of hemoglobin is
A. sodium
B. iodine
C. iron
D. potassium
Correct Answer: C
Explanation: Iron is part of hemoglobin.
Question 90 Topic: Nutrition Likelihood: High
Question: The disease goitre is commonly caused by lack of
A. protein
B. calcium
C. iodine
D. vitamin C
Correct Answer: C
Explanation: Iodine deficiency enlarges the thyroid gland.
Question 91 Topic: Transport and Respiration Likelihood: High
Question: Water is transported from roots to leaves mainly through the
A. phloem
B. xylem
C. epidermis
D. cortex
Correct Answer: B
Explanation: Xylem conducts water and mineral salts.
Question 92 Topic: Transport and Respiration Likelihood: High
Question: Manufactured food is transported in plants by the
A. cuticle
B. xylem
C. cambium
D. phloem
Correct Answer: D
Explanation: Phloem carries dissolved food.
Question 93 Topic: Transport and Respiration Likelihood: High
Question: The loss of water vapour from aerial parts of plants is
A. respiration
B. transpiration
C. excretion
D. guttation
Correct Answer: B
Explanation: Transpiration is water loss as vapour.
Question 94 Topic: Transport and Respiration Likelihood: High
Question: The force that helps root pressure move water upward is
A. cohesion of water molecules
B. fertilization
C. germination
D. digestion
Correct Answer: A
Explanation: Cohesion helps maintain a continuous water column.
Question 95 Topic: Transport and Respiration Likelihood: High
Question: Blood consists of plasma and
A. formed elements
JAMB 2000 Original Practice Pack Page 72B. villi
C. alveoli
D. hormones
Correct Answer: A
Explanation: The formed elements are red cells, white cells and platelets.
Question 96 Topic: Transport and Respiration Likelihood: High
Question: The pigment in red blood cells that carries oxygen is
A. melanin
B. bile
C. chlorophyll
D. hemoglobin
Correct Answer: D
Explanation: Hemoglobin combines with oxygen.
Question 97 Topic: Transport and Respiration Likelihood: High
Question: The blood vessel that carries oxygenated blood from the lungs to the heart is the
A. vena cava
B. aorta
C. pulmonary vein
D. pulmonary artery
Correct Answer: C
Explanation: Pulmonary veins return oxygenated blood to the left atrium.
Question 98 Topic: Transport and Respiration Likelihood: High
Question: The largest artery in the human body is the
A. vena cava
B. hepatic portal vein
C. aorta
D. pulmonary vein
Correct Answer: C
Explanation: The aorta carries blood from the left ventricle.
Question 99 Topic: Transport and Respiration Likelihood: High
Question: The blood vessel that carries blood from the intestines to the liver is the
A. aorta
B. hepatic portal vein
C. renal vein
D. pulmonary artery
Correct Answer: B
Explanation: The hepatic portal vein transports absorbed food to the liver.
Question 100 Topic: Transport and Respiration Likelihood: High
Question: Platelets are mainly involved in
A. blood clotting
B. defense against pathogens
C. oxygen transport
D. hormone production
Correct Answer: A
Explanation: Platelets help prevent blood loss.
Question 101 Topic: Transport and Respiration Likelihood: High
Question: White blood cells protect the body mainly by
A. transporting oxygen
B. destroying pathogens
C. carrying hormones
D. forming urine
Correct Answer: B
Explanation: White blood cells are involved in defense.
Question 102 Topic: Transport and Respiration Likelihood: High
Question: The chamber of the heart that pumps blood to the body is the
A. left ventricle
B. right atrium
C. left atrium
D. right ventricle
Correct Answer: A
Explanation: The left ventricle pumps oxygenated blood into the aorta.
Question 103 Topic: Transport and Respiration Likelihood: High
Question: Valves in veins help to
A. pump blood
B. digest fats
C. prevent backflow of blood
D. increase oxygen content
Correct Answer: C
Explanation: Valves ensure one-way movement of blood.
JAMB 2000 Original Practice Pack Page 73Question 104 Topic: Transport and Respiration Likelihood: High
Question: The process by which oxygen combines with food to release energy is
A. transpiration
B. respiration
C. photosynthesis
D. translocation
Correct Answer: B
Explanation: Respiration releases energy from food.
Question 105 Topic: Transport and Respiration Likelihood: High
Question: The energy currency of the cell is
A. ATP
B. DNA
C. NADP
D. RNA
Correct Answer: A
Explanation: ATP stores readily usable energy.
Question 106 Topic: Transport and Respiration Likelihood: High
Question: Anaerobic respiration in yeast produces
A. glucose and oxygen
B. lactic acid only
C. oxygen and water
D. alcohol and carbon dioxide
Correct Answer: D
Explanation: Fermentation in yeast yields ethanol and carbon dioxide.
Question 107 Topic: Transport and Respiration Likelihood: High
Question: Anaerobic respiration in human muscles may lead to accumulation of
A. urea
B. lactic acid
C. glycogen
D. carbon monoxide
Correct Answer: B
Explanation: Lactic acid builds up during oxygen shortage.
Question 108 Topic: Transport and Respiration Likelihood: High
Question: Breathing in humans is aided by the contraction of the
A. kidney
B. pancreas
C. diaphragm
D. liver
Correct Answer: C
Explanation: The diaphragm contracts and flattens during inhalation.
Question 109 Topic: Transport and Respiration Likelihood: High
Question: The site of gaseous exchange in the lungs is the
A. alveolus
B. trachea
C. larynx
D. bronchus
Correct Answer: A
Explanation: Alveoli provide a large surface for exchange.
Question 110 Topic: Transport and Respiration Likelihood: High
Question: A characteristic that makes alveoli efficient is that they
A. have thin moist walls
B. contain chlorophyll
C. are made of bone
D. possess valves
Correct Answer: A
Explanation: Thin moist walls allow rapid diffusion of gases.
Question 111 Topic: Transport and Respiration Likelihood: High
Question: The opening on a leaf through which gases enter and leave is the
A. vein
B. petiole
C. stoma
D. lenticel
Correct Answer: C
Explanation: Stomata control gas exchange in leaves.
Question 112 Topic: Transport and Respiration Likelihood: High
Question: Lenticels mainly aid gaseous exchange in
A. woody stems
B. flowers
C. roots only
JAMB 2000 Original Practice Pack Page 74D. seeds
Correct Answer: A
Explanation: Lenticels are openings in woody stems.
Question 113 Topic: Transport and Respiration Likelihood: High
Question: The movement of dissolved food from leaves to storage organs is known as
A. transpiration
B. osmosis
C. diffusion
D. translocation
Correct Answer: D
Explanation: Translocation occurs through the phloem.
Question 114 Topic: Transport and Respiration Likelihood: High
Question: The tissue fluid that bathes body cells is derived from
A. urine
B. bile
C. lymph nodes
D. blood plasma
Correct Answer: D
Explanation: Plasma filters out of capillaries to form tissue fluid.
Question 115 Topic: Transport and Respiration Likelihood: High
Question: The lymphatic system helps in
A. forming bile
B. digesting proteins
C. returning excess tissue fluid to the blood
D. pumping oxygen directly
Correct Answer: C
Explanation: Lymph returns excess tissue fluid to the bloodstream.
Question 116 Topic: Transport and Respiration Likelihood: High
Question: The organ chiefly responsible for pumping blood round the body is the
A. lungs
B. liver
C. heart
D. brain
Correct Answer: C
Explanation: The heart is a muscular pump.
Question 117 Topic: Transport and Respiration Likelihood: High
Question: Coronary arteries supply blood to the
A. lungs
B. kidneys
C. heart muscle
D. small intestine
Correct Answer: C
Explanation: Coronary arteries nourish the myocardium.
Question 118 Topic: Transport and Respiration Likelihood: High
Question: The process of taking in oxygen-rich air is called
A. respiration
B. ventilation only
C. exhalation
D. inhalation
Correct Answer: D
Explanation: Inhalation is breathing in.
Question 119 Topic: Transport and Respiration Likelihood: High
Question: The cartilaginous rings in the trachea help to
A. digest food
B. prevent collapse
C. absorb oxygen
D. filter blood
Correct Answer: B
Explanation: Cartilage keeps the airway open.
Question 120 Topic: Transport and Respiration Likelihood: High
Question: The respiratory pigment in insects is generally
A. absent
B. hemoglobin
C. chlorophyll
D. myosin
Correct Answer: A
Explanation: Insects transport air directly through tracheae and usually lack respiratory pigment.
JAMB 2000 Original Practice Pack Page 75Question 121 Topic: Reproduction and Growth Likelihood: High
Question: Pollination is the transfer of pollen grains from the
A. filament to stigma
B. stigma to ovary
C. anther to the stigma
D. ovary to style
Correct Answer: C
Explanation: Pollination moves pollen from anther to stigma.
Question 122 Topic: Reproduction and Growth Likelihood: High
Question: Fusion of male and female gametes is called
A. germination
B. fertilization
C. budding
D. pollination
Correct Answer: B
Explanation: Fertilization forms a zygote.
Question 123 Topic: Reproduction and Growth Likelihood: High
Question: The part of a flower that develops into a fruit after fertilization is the
A. ovary
B. sepal
C. anther
D. petal
Correct Answer: A
Explanation: The ovary matures into the fruit.
Question 124 Topic: Reproduction and Growth Likelihood: High
Question: The ovule develops into a
A. petal
B. stigma
C. sepal
D. seed
Correct Answer: D
Explanation: After fertilization, the ovule becomes a seed.
Question 125 Topic: Reproduction and Growth Likelihood: High
Question: A flower pollinated by insects usually has
A. brightly coloured petals
B. feathery stigmas
C. abundant light pollen
D. long exposed anthers
Correct Answer: A
Explanation: Insect-pollinated flowers attract insects with bright petals.
Question 126 Topic: Reproduction and Growth Likelihood: High
Question: Wind-pollinated flowers usually produce
A. nectar in abundance
B. sticky heavy pollen
C. large scented petals
D. light dry pollen grains
Correct Answer: D
Explanation: Wind dispersal requires light pollen.
Question 127 Topic: Reproduction and Growth Likelihood: High
Question: The male reproductive organ of a flower is the
A. stamen
B. pistil
C. ovary
D. sepal
Correct Answer: A
Explanation: The stamen consists of anther and filament.
Question 128 Topic: Reproduction and Growth Likelihood: High
Question: The female reproductive organ of a flower is the
A. petiole
B. stamen
C. carpel
D. sepal
Correct Answer: C
Explanation: The carpel comprises stigma, style and ovary.
Question 129 Topic: Reproduction and Growth Likelihood: High
Question: Asexual reproduction in Hydra occurs by
A. conjugation
B. binary fission
C. budding
D. pollination
JAMB 2000 Original Practice Pack Page 76Correct Answer: C
Explanation: A new outgrowth develops on the parent.
Question 130 Topic: Reproduction and Growth Likelihood: High
Question: Binary fission is common in
A. Fern
B. Toad
C. Amoeba
D. Moss
Correct Answer: C
Explanation: Amoeba reproduces asexually by binary fission.
Question 131 Topic: Reproduction and Growth Likelihood: High
Question: The fusion of two nuclei after conjugation in Spirogyra leads to the formation of a
A. ovule
B. zygospore
C. seedling
D. gamete
Correct Answer: B
Explanation: Conjugation produces a zygospore.
Question 132 Topic: Reproduction and Growth Likelihood: High
Question: External fertilization is common in
A. bird
B. toad
C. lizard
D. human
Correct Answer: B
Explanation: Toads release gametes into water.
Question 133 Topic: Reproduction and Growth Likelihood: High
Question: The organ where the human fetus develops is the
A. vagina
B. ovary
C. uterus
D. cervix
Correct Answer: C
Explanation: The uterus houses the developing fetus.
Question 134 Topic: Reproduction and Growth Likelihood: High
Question: The structure through which the fetus obtains nutrients from the mother is the
A. appendix
B. placenta
C. kidney
D. pancreas
Correct Answer: B
Explanation: The placenta mediates exchange between mother and fetus.
Question 135 Topic: Reproduction and Growth Likelihood: High
Question: The male gamete in flowering plants is found in the
A. sepal
B. pollen grain
C. ovary
D. style
Correct Answer: B
Explanation: The pollen grain carries the male nuclei.
Question 136 Topic: Reproduction and Growth Likelihood: High
Question: The male sex hormone in humans is
A. thyroxine
B. estrogen
C. testosterone
D. insulin
Correct Answer: C
Explanation: Testosterone controls male secondary sexual characteristics.
Question 137 Topic: Reproduction and Growth Likelihood: High
Question: The female sex hormone mainly responsible for development of female secondary sexual characteristics is
A. adrenaline
B. estrogen
C. testosterone
D. auxin
Correct Answer: B
Explanation: Estrogen supports female reproductive development.
Question 138 Topic: Reproduction and Growth Likelihood: High
Question: Ovulation is the release of an ovum from the
JAMB 2000 Original Practice Pack Page 77A. uterus
B. vagina
C. oviduct
D. ovary
Correct Answer: D
Explanation: An ovum is released from the ovary.
Question 139 Topic: Reproduction and Growth Likelihood: High
Question: The menstrual cycle in humans is controlled by
A. enzymes
B. antibodies
C. hormones
D. red blood cells
Correct Answer: C
Explanation: Hormones coordinate the menstrual cycle.
Question 140 Topic: Reproduction and Growth Likelihood: High
Question: The embryo in a seed obtains food from the
A. sepal only
B. anther
C. cotyledon or endosperm
D. stigma
Correct Answer: C
Explanation: Stored food nourishes the embryo.
Question 141 Topic: Reproduction and Growth Likelihood: High
Question: Germination begins when a seed absorbs
A. oxygen only
B. water
C. carbon dioxide only
D. sunlight only
Correct Answer: B
Explanation: Water activates metabolic processes in the seed.
Question 142 Topic: Reproduction and Growth Likelihood: High
Question: A condition necessary for germination is
A. high salinity
B. lack of water
C. oxygen
D. absence of enzymes
Correct Answer: C
Explanation: Seeds need oxygen for respiration.
Question 143 Topic: Reproduction and Growth Likelihood: High
Question: One importance of mitosis is
A. production of variation only
B. reduction of chromosome number
C. growth and repair of tissues
D. formation of pollen tubes
Correct Answer: C
Explanation: Mitosis increases cell number for growth.
Question 144 Topic: Reproduction and Growth Likelihood: High
Question: A growth curve that rises rapidly and then levels off is called
A. sigmoid growth curve
B. seasonal curve
C. linear growth curve
D. random curve
Correct Answer: A
Explanation: Many organisms display S-shaped growth.
Question 145 Topic: Reproduction and Growth Likelihood: High
Question: Metamorphosis in insects involves
A. changes in form during development
B. immediate adulthood
C. only increase in body mass
D. loss of reproductive organs
Correct Answer: A
Explanation: Metamorphosis changes body form from larva to adult.
Question 146 Topic: Reproduction and Growth Likelihood: High
Question: The stage between larva and adult in a butterfly is the
A. pupa
B. nymph
C. zygote
D. imago
Correct Answer: A
JAMB 2000 Original Practice Pack Page 78Explanation: The butterfly develops through egg, larva, pupa and adult.
Question 147 Topic: Reproduction and Growth Likelihood: High
Question: Asexual reproduction usually results in offspring that are
A. produced only in plants
B. always larger than the parent
C. genetically identical to the parent
D. highly varied
Correct Answer: C
Explanation: Without fusion of gametes, offspring are usually clones.
Question 148 Topic: Reproduction and Growth Likelihood: High
Question: One advantage of sexual reproduction is that it
A. eliminates competition
B. is always faster
C. produces variation among offspring
D. requires only one parent
Correct Answer: C
Explanation: Sexual reproduction mixes genes and creates variation.
Question 149 Topic: Reproduction and Growth Likelihood: High
Question: The nymph stage is found in insects with
A. internal fertilization only
B. incomplete metamorphosis
C. complete metamorphosis
D. direct development only
Correct Answer: B
Explanation: Grasshoppers develop through egg, nymph and adult.
Question 150 Topic: Reproduction and Growth Likelihood: High
Question: The zygote is formed immediately after
A. ovulation
B. fertilization
C. germination
D. pollination
Correct Answer: B
Explanation: The zygote is the first cell formed by fusion of gametes.
Question 151 Topic: Ecology and Evolution Likelihood: High
Question: A group of organisms of the same species living in a habitat is a
A. community
B. biome
C. ecosystem
D. population
Correct Answer: D
Explanation: A population is made up of members of one species.
Question 152 Topic: Ecology and Evolution Likelihood: High
Question: Different populations living together in an area form a
A. genus
B. biosphere
C. community
D. species
Correct Answer: C
Explanation: A community is made up of different populations.
Question 153 Topic: Ecology and Evolution Likelihood: High
Question: The term ecosystem includes the community and its
A. physical environment
B. predators only
C. green plants only
D. parasites only
Correct Answer: A
Explanation: An ecosystem includes living and non-living components.
Question 154 Topic: Ecology and Evolution Likelihood: High
Question: Green plants are referred to as
A. consumers
B. scavengers
C. decomposers
D. producers
Correct Answer: D
Explanation: They produce food by photosynthesis.
Question 155 Topic: Ecology and Evolution Likelihood: High
Question: Animals that feed directly on green plants are
A. secondary consumers
JAMB 2000 Original Practice Pack Page 79B. producers
C. primary consumers
D. decomposers
Correct Answer: C
Explanation: Herbivores are primary consumers.
Question 156 Topic: Ecology and Evolution Likelihood: High
Question: Organisms that break down dead organic matter are
A. producers
B. predators
C. decomposers
D. parasites
Correct Answer: C
Explanation: Decomposers recycle nutrients.
Question 157 Topic: Ecology and Evolution Likelihood: High
Question: The role of decomposers in an ecosystem is to
A. increase sunlight
B. return nutrients to the environment
C. carry out pollination
D. reduce rainfall
Correct Answer: B
Explanation: They break down dead matter and release nutrients.
Question 158 Topic: Ecology and Evolution Likelihood: High
Question: A food chain shows
A. the classification of organisms
B. the transfer of energy from one organism to another
C. the age of a population
D. the movement of water only
Correct Answer: B
Explanation: Food chains trace feeding relationships.
Question 159 Topic: Ecology and Evolution Likelihood: High
Question: In a pyramid of numbers, the first trophic level is occupied by
A. tertiary consumers
B. producers
C. decomposers
D. secondary consumers
Correct Answer: B
Explanation: Producers form the base of the pyramid.
Question 160 Topic: Ecology and Evolution Likelihood: High
Question: The ultimate source of energy in most ecosystems is the
A. moon
B. soil
C. sun
D. wind
Correct Answer: C
Explanation: Most food chains depend on solar energy.
Question 161 Topic: Ecology and Evolution Likelihood: High
Question: The process by which green plants lose water vapour is
A. evaporation from soil
B. transpiration
C. condensation
D. respiration
Correct Answer: B
Explanation: Transpiration occurs mainly through stomata.
Question 162 Topic: Ecology and Evolution Likelihood: High
Question: The process by which nitrogen in the atmosphere is converted into useful compounds is
A. nitrogen fixation
B. denitrification
C. putrefaction
D. humification
Correct Answer: A
Explanation: Nitrogen fixation makes nitrogen available to organisms.
Question 163 Topic: Ecology and Evolution Likelihood: High
Question: Bacteria that convert ammonium compounds to nitrates are involved in
A. putrefaction
B. nitrification
C. denitrification
D. transpiration
Correct Answer: B
Explanation: Nitrifying bacteria produce nitrates.
JAMB 2000 Original Practice Pack Page 80Question 164 Topic: Ecology and Evolution Likelihood: High
Question: Denitrifying bacteria reduce soil fertility because they
A. increase rainfall
B. produce humus
C. fix atmospheric nitrogen
D. convert nitrates to free nitrogen
Correct Answer: D
Explanation: Denitrification removes useful nitrates from the soil.
Question 165 Topic: Ecology and Evolution Likelihood: High
Question: The major source of carbon dioxide used in the carbon cycle is
A. soil water
B. nitrate salts
C. bone marrow
D. atmospheric carbon dioxide
Correct Answer: D
Explanation: Plants absorb carbon dioxide from the air.
Question 166 Topic: Ecology and Evolution Likelihood: High
Question: The process that releases carbon dioxide during the carbon cycle is
A. germination only
B. pollination
C. respiration
D. transpiration
Correct Answer: C
Explanation: Respiration returns carbon dioxide to the atmosphere.
Question 167 Topic: Ecology and Evolution Likelihood: High
Question: A habitat is the
A. number of organisms in an area
B. place where an organism lives
C. role of an organism
D. food of an organism
Correct Answer: B
Explanation: Habitat refers to the natural home of an organism.
Question 168 Topic: Ecology and Evolution Likelihood: High
Question: The role of an organism in its habitat is its
A. niche
B. biome
C. kingdom
D. population
Correct Answer: A
Explanation: Niche refers to function or position in the ecosystem.
Question 169 Topic: Ecology and Evolution Likelihood: High
Question: Organisms living together for mutual benefit show
A. symbiosis
B. predation
C. commensalism only
D. competition
Correct Answer: A
Explanation: Symbiosis involves close association with mutual benefit in this context.
Question 170 Topic: Ecology and Evolution Likelihood: High
Question: The relationship in which one organism benefits while the other is neither helped nor harmed is
A. parasitism
B. mutualism
C. commensalism
D. predation
Correct Answer: C
Explanation: Commensalism benefits one organism only.
Question 171 Topic: Ecology and Evolution Likelihood: High
Question: A tapeworm living in the intestine of man illustrates
A. saprophytism
B. mutualism
C. commensalism
D. parasitism
Correct Answer: D
Explanation: The tapeworm benefits while the host is harmed.
Question 172 Topic: Ecology and Evolution Likelihood: High
Question: When two organisms compete for the same limited resources, the interaction is
A. saprophytism
B. competition
C. commensalism
JAMB 2000 Original Practice Pack Page 81D. symbiosis
Correct Answer: B
Explanation: Competition arises from limited resources.
Question 173 Topic: Ecology and Evolution Likelihood: High
Question: The process by which organisms better adapted survive and reproduce is
A. translocation
B. mutation only
C. artificial respiration
D. natural selection
Correct Answer: D
Explanation: Natural selection favors advantageous traits.
Question 174 Topic: Ecology and Evolution Likelihood: High
Question: Variation among individuals of the same species is important because it
A. prevents reproduction
B. provides material for natural selection
C. eliminates competition
D. makes all offspring identical
Correct Answer: B
Explanation: Variation helps populations adapt.
Question 175 Topic: Ecology and Evolution Likelihood: High
Question: A structural adaptation that helps desert plants conserve water is
A. reduced leaf surface
B. thin cuticle
C. broad leaves
D. large stomata
Correct Answer: A
Explanation: Small leaves reduce water loss.
Question 176 Topic: Ecology and Evolution Likelihood: High
Question: The hydrophyte is a plant adapted to live in
A. desert
B. forest floor only
C. mountain tops only
D. water
Correct Answer: D
Explanation: Hydrophytes are aquatic plants.
Question 177 Topic: Ecology and Evolution Likelihood: High
Question: The population of organisms in a habitat can be estimated using
A. sampling methods
B. budding
C. fertilization
D. pollination
Correct Answer: A
Explanation: Quadrats and transects are common ecological sampling methods.
Question 178 Topic: Ecology and Evolution Likelihood: High
Question: A quadrat is commonly used in ecology to estimate
A. heart rate
B. enzyme action
C. the distribution of plants
D. blood pressure
Correct Answer: C
Explanation: Quadrats help study organisms that do not move much.
Question 179 Topic: Ecology and Evolution Likelihood: High
Question: The term carrying capacity refers to
A. the speed of reproduction
B. the total number ever born
C. the age of the oldest organism
D. the maximum population an environment can support
Correct Answer: D
Explanation: Carrying capacity is the sustainable population limit.
Question 180 Topic: Ecology and Evolution Likelihood: High
Question: Pollution of water by fertilizers often leads to
A. eutrophication
B. mutation
C. respiration
D. pollination
Correct Answer: A
Explanation: Excess nutrients cause overgrowth of algae and oxygen depletion.
JAMB 2000 Original Practice Pack Page 82Question 181 Topic: Ecology and Evolution Likelihood: High
Question: Cutting down trees indiscriminately can lead to
A. increased oxygen shortage in roots only
B. more pollination
C. thicker humus layers
D. soil erosion
Correct Answer: D
Explanation: Tree removal exposes soil to erosion.
Question 182 Topic: Ecology and Evolution Likelihood: High
Question: Conservation of natural resources is important because it
A. stops reproduction
B. prevents depletion and extinction
C. eliminates niches
D. reduces variation
Correct Answer: B
Explanation: Conservation protects resources and biodiversity.
Question 183 Topic: Ecology and Evolution Likelihood: High
Question: A biome is a
A. type of enzyme
B. large ecological region with characteristic climate and organisms
C. group of cells
D. single population
Correct Answer: B
Explanation: Biomes are broad ecological zones.
Question 184 Topic: Ecology and Evolution Likelihood: High
Question: Predators help maintain ecological balance by
A. controlling prey population
B. increasing rainfall
C. making soil acidic
D. preventing photosynthesis
Correct Answer: A
Explanation: Predation regulates populations.
Question 185 Topic: Ecology and Evolution Likelihood: High
Question: The association between algae and fungi in lichen is an example of
A. predation
B. saprophytism
C. commensalism
D. mutualism
Correct Answer: D
Explanation: Both partners benefit in lichen.
Question 186 Topic: Heredity, Variation and Applied Biology Question: A gene is located on a
A. chromosome
B. centriole
C. vacuole
D. ribosome
Correct Answer: A
Explanation: Genes are segments of DNA on chromosomes.
Likelihood: High
Question 187 Topic: Heredity, Variation and Applied Biology Question: The physical expression of a gene is called the
A. allele
B. zygote
C. phenotype
D. genotype
Correct Answer: C
Explanation: Phenotype refers to the observable trait.
Likelihood: High
Question 188 Topic: Heredity, Variation and Applied Biology Question: The genetic makeup of an organism is its
A. genotype
B. habit
C. phenotype
D. species
Correct Answer: A
Explanation: Genotype refers to the genes carried by the organism.
Likelihood: High
Question 189 Topic: Heredity, Variation and Applied Biology Question: Alternative forms of the same gene are called
A. tissues
B. chromatids
C. alleles
D. zygotes
Likelihood: High
JAMB 2000 Original Practice Pack Page 83Correct Answer: C
Explanation: Alleles occupy corresponding positions on homologous chromosomes.
Question 190 Topic: Heredity, Variation and Applied Biology Question: A trait controlled by a dominant allele is expressed in the
A. heterozygous state
B. female sex only
C. absence of genes
D. environment only
Correct Answer: A
Explanation: A dominant allele shows in the heterozygote.
Likelihood: High
Question 191 Topic: Heredity, Variation and Applied Biology Question: An organism with two identical alleles is
A. mutant
B. homozygous
C. heterozygous
D. hybrid
Correct Answer: B
Explanation: Homozygous means possessing the same alleles.
Likelihood: High
Question 192 Topic: Heredity, Variation and Applied Biology Likelihood: High
Question: Crossing Tt with Tt gives a phenotypic ratio of
A. 9:3:3:1
B. 3:1
C. 1:1
D. 1:2:1
Correct Answer: B
Explanation: A monohybrid cross of two heterozygotes yields 3 dominant to 1 recessive.
Question 193 Topic: Heredity, Variation and Applied Biology Question: The genotypic ratio from Tt x Tt is
A. 3:1
B. 1:2:1
C. 1:1
D. 9:3:3:1
Correct Answer: B
Explanation: The genotypes are TT, Tt, Tt and tt.
Likelihood: High
Question 194 Topic: Heredity, Variation and Applied Biology Question: A cross involving two pairs of contrasting characters is a
A. monohybrid cross
B. back cross
C. dihybrid cross
D. test cross
Correct Answer: C
Explanation: A dihybrid cross considers two characters at once.
Likelihood: High
Question 195 Topic: Heredity, Variation and Applied Biology Likelihood: High
Question: The law stating that alleles separate during gamete formation is Mendel's law of
A. independent assortment only
B. dominance
C. segregation
D. use and disuse
Correct Answer: C
Explanation: Alleles separate during meiosis.
Question 196 Topic: Heredity, Variation and Applied Biology Question: When a dominant allele masks a recessive allele, the pattern is
A. complete dominance
B. codominance
C. mutation
D. polyploidy
Correct Answer: A
Explanation: The dominant allele hides the recessive one.
Likelihood: High
Question 197 Topic: Heredity, Variation and Applied Biology Question: A sudden change in genetic material is called
A. mutation
B. evolution
C. adaptation
D. fertilization
Correct Answer: A
Explanation: Mutations alter genes or chromosomes.
Likelihood: High
Question 198 Topic: Heredity, Variation and Applied Biology Question: An example of discontinuous variation is
Likelihood: High
JAMB 2000 Original Practice Pack Page 84A. height
B. blood group
C. weight
D. skin mass
Correct Answer: B
Explanation: Blood groups fall into distinct categories.
Question 199 Topic: Heredity, Variation and Applied Biology Question: An example of continuous variation is
A. earlobe attachment
B. height
C. tongue rolling
D. blood group
Correct Answer: B
Explanation: Height varies across a range.
Likelihood: High
Question 200 Topic: Heredity, Variation and Applied Biology Question: Sex in humans is determined by the
A. villi
B. sex chromosomes
C. ribosomes
D. red blood cells
Correct Answer: B
Explanation: X and Y chromosomes determine sex.
Likelihood: High
Question 201 Topic: Heredity, Variation and Applied Biology Question: A male human has the sex chromosome combination
A. XY
B. YY
C. XX
D. XO
Correct Answer: A
Explanation: Males carry XY.
Likelihood: Medium
Question 202 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: The process by which living organisms gradually change over long periods is
A. osmosis
B. evolution
C. respiration
D. translation
Correct Answer: B
Explanation: Evolution is long-term change in populations.
Question 203 Topic: Heredity, Variation and Applied Biology Question: The major source of variation during sexual reproduction is
A. recombination of genes
B. excretion
C. osmosis
D. clotting
Correct Answer: A
Explanation: Sexual reproduction shuffles genes.
Likelihood: Medium
Question 204 Topic: Heredity, Variation and Applied Biology Question: The inheritance of ABO blood group in humans is an example of
A. mutation only
B. multiple allelism
C. sex linkage
D. incomplete dominance
Correct Answer: B
Explanation: More than two alleles control the trait.
Likelihood: Medium
Question 205 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: A test cross is used mainly to determine the
A. rate of respiration
B. genotype of an organism showing the dominant trait
C. habitat of an organism
D. sex of an offspring
Correct Answer: B
Explanation: A dominant individual is crossed with a homozygous recessive.
Question 206 Topic: Heredity, Variation and Applied Biology Question: Genes located on the X chromosome are described as
A. lethal
B. autosomal
C. mutant only
D. sex-linked
Correct Answer: D
Likelihood: Medium
JAMB 2000 Original Practice Pack Page 85Explanation: Their inheritance is tied to sex chromosomes.
Question 207 Topic: Heredity, Variation and Applied Biology Question: Color blindness in humans is commonly cited as an example of
A. sex-linked inheritance
B. multiple allelism
C. polygenic inheritance
D. autosomal recessive inheritance only
Correct Answer: A
Explanation: The gene is carried on the X chromosome.
Likelihood: Medium
Question 208 Topic: Heredity, Variation and Applied Biology Question: Albinism results from the inability to produce
A. auxin
B. keratin
C. hemoglobin
D. melanin
Correct Answer: D
Explanation: Albinos lack the normal pigment melanin.
Likelihood: Medium
Question 209 Topic: Heredity, Variation and Applied Biology Question: A person with genotype AS is described as
A. a carrier of sickle-cell trait
B. albino
C. normal homozygote
D. sickler
Correct Answer: A
Explanation: AS individuals carry one normal allele and one sickle allele.
Likelihood: Medium
Question 210 Topic: Heredity, Variation and Applied Biology Question: The branch of biology concerned with heredity is
A. taxonomy
B. genetics
C. anatomy
D. ecology
Correct Answer: B
Explanation: Genetics studies inheritance and variation.
Likelihood: Medium
Question 211 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: The deliberate crossing of plants or animals to improve qualities is
A. vegetative propagation
B. selective breeding
C. pollution control
D. composting
Correct Answer: B
Explanation: Selective breeding chooses parents with desirable traits.
Question 212 Topic: Heredity, Variation and Applied Biology Question: Artificial insemination in livestock helps to
A. improve breeding efficiency
B. increase transpiration
C. reduce chromosome number
D. prevent digestion
Correct Answer: A
Explanation: It allows controlled breeding with desired males.
Likelihood: Medium
Question 213 Topic: Heredity, Variation and Applied Biology Question: Pasteurization of milk is aimed mainly at
A. destroying harmful microorganisms
B. increasing protein content
C. adding vitamins
D. converting fat to sugar
Correct Answer: A
Explanation: Heat treatment reduces pathogens.
Likelihood: Medium
Question 214 Topic: Heredity, Variation and Applied Biology Question: Vaccination protects against disease by
A. preventing digestion
B. raising body temperature permanently
C. killing all red blood cells
D. stimulating antibody production
Correct Answer: D
Explanation: Vaccines prepare the immune system.
Likelihood: Medium
Question 215 Topic: Heredity, Variation and Applied Biology Question: A vector is an organism that
A. fixes nitrogen
Likelihood: Medium
JAMB 2000 Original Practice Pack Page 86B. produces antibodies
C. pollinates flowers only
D. transmits disease-causing agents
Correct Answer: D
Explanation: Vectors carry pathogens from one host to another.
Question 216 Topic: Heredity, Variation and Applied Biology Question: Malaria is caused by a
A. fungus
B. protozoan parasite
C. bacterium
D. virus
Correct Answer: B
Explanation: Malaria is caused by Plasmodium.
Likelihood: Medium
Question 217 Topic: Heredity, Variation and Applied Biology Question: The mosquito that transmits malaria is the
A. female Anopheles
B. female Culex
C. male Anopheles
D. male tsetse fly
Correct Answer: A
Explanation: The female Anopheles transmits Plasmodium.
Likelihood: Medium
Question 218 Topic: Heredity, Variation and Applied Biology Question: Cholera is commonly spread through
A. sunlight
B. genetic mutation
C. lack of sleep
D. contaminated water
Correct Answer: D
Explanation: Contaminated water can carry the pathogen.
Likelihood: Medium
Question 219 Topic: Heredity, Variation and Applied Biology Question: One way of controlling the spread of communicable diseases is
A. storing refuse openly
B. drinking polluted water
C. proper sanitation
D. sharing needles
Correct Answer: C
Explanation: Sanitation reduces pathogen transmission.
Likelihood: Medium
Question 220 Topic: Heredity, Variation and Applied Biology Question: Antibiotics are effective against
A. bacterial diseases
B. all hereditary conditions
C. all viral diseases
D. vitamin deficiencies
Correct Answer: A
Explanation: Antibiotics target bacteria.
Likelihood: Medium
Question 221 Topic: Nutrition Likelihood: Medium
Question: Which enzyme converts starch to maltose?
A. peptidase
B. amylase
C. maltase
D. lipase
Correct Answer: B
Explanation: Amylase acts on starch.
Question 222 Topic: Nutrition Likelihood: Medium
Question: Which enzyme converts proteins to peptides?
A. sucrase
B. amylase
C. peptidase
D. pepsin
Correct Answer: D
Explanation: Pepsin acts on proteins.
Question 223 Topic: Nutrition Likelihood: Medium
Question: Which enzyme converts fats to fatty acids and glycerol?
A. maltase
B. lipase
C. pepsin
D. peptidase
Correct Answer: B
Explanation: Lipase acts on fats.
JAMB 2000 Original Practice Pack Page 87Question 224 Topic: Nutrition Likelihood: Medium
Question: Which enzyme converts maltose to glucose?
A. maltase
B. amylase
C. lipase
D. pepsin
Correct Answer: A
Explanation: Maltase acts on maltose.
Question 225 Topic: Nutrition Likelihood: Medium
Question: Which enzyme converts sucrose to glucose and fructose?
A. amylase
B. maltase
C. sucrase
D. pepsin
Correct Answer: C
Explanation: Sucrase acts on sucrose.
Question 226 Topic: Nutrition Likelihood: Medium
Question: Which enzyme converts proteins to amino acids?
A. amylase
B. peptidase
C. lipase
D. maltase
Correct Answer: B
Explanation: Peptidase acts on proteins.
Question 227 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: In a monohybrid cross between two heterozygous tall plants, the probability of a short offspring is
A. 1/2
B. 3/4
C. 1/8
D. 1/4
Correct Answer: D
Explanation: Tt x Tt gives one recessive out of four offspring.
Question 228 Topic: Heredity, Variation and Applied Biology Question: In the cross Tt x tt, the probability of a tall offspring is
A. 1/4
B. 1/2
C. 3/4
D. 1
Likelihood: Medium
Correct Answer: B
Explanation: Half the offspring are Tt and therefore tall.
Question 229 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: If black coat B is dominant over white b, the genotype of a white animal is
A. BO
B. BB
C. bb
D. Bb
Correct Answer: C
Explanation: A recessive trait appears only in the homozygous recessive state.
Question 230 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: If a homozygous dominant plant is crossed with a homozygous recessive plant, all the F1 offspring will be
A. homozygous recessive
B. heterozygous dominant
C. all recessive
D. homozygous dominant
Correct Answer: B
Explanation: TT x tt produces all Tt offspring.
Question 231 Topic: Heredity, Variation and Applied Biology Question: The probability of getting a male child in humans is approximately
Likelihood: Medium
A. 3/4
B. 1/3
C. 1/2
D. 1/4
Correct Answer: C
Explanation: The father contributes X or Y with roughly equal chance.
Question 232 Topic: Heredity, Variation and Applied Biology Question: The genotypes possible for blood group A are
A. IAIB only
B. IBIB or IBi
C. IAIA or IAi
Likelihood: Medium
JAMB 2000 Original Practice Pack Page 88D. ii only
Correct Answer: C
Explanation: Blood group A may be homozygous or heterozygous.
Question 233 Topic: Heredity, Variation and Applied Biology Question: The genotype for blood group O is
A. IAIB
B. ii
C. IBi
D. IAi
Correct Answer: B
Explanation: Blood group O is recessive.
Likelihood: Medium
Question 234 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: A test cross involves crossing an individual with the dominant phenotype to a
A. homozygous dominant individual
B. homozygous recessive individual
C. heterozygous dominant individual
D. mutant individual
Correct Answer: B
Explanation: This reveals whether the dominant individual is homozygous or heterozygous.
Question 235 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: If R represents round seeds and r wrinkled seeds, the genotype rr will have
A. round seeds
B. wrinkled seeds
C. no seed coat
D. both seed types
Correct Answer: B
Explanation: The recessive trait appears in rr.
Question 236 Topic: Heredity, Variation and Applied Biology Question: The ratio 9:3:3:1 is expected in the F2 generation of a
A. test cross
B. monohybrid cross
C. dihybrid cross
D. back cross
Correct Answer: C
Explanation: It is the classical dihybrid phenotypic ratio.
Likelihood: Medium
Question 237 Topic: Nutrition Likelihood: Medium
Question: The opening through which undigested food leaves the body is the
A. ileum
B. duodenum
C. appendix
D. anus
Correct Answer: D
Explanation: Undigested food is egested through the anus.
Question 238 Topic: Reproduction and Growth Likelihood: Medium
Question: The union of a male and female nucleus in flowering plants occurs in the
A. ovule
B. filament
C. sepal
D. anther
Correct Answer: A
Explanation: Fertilization occurs within the ovule.
Question 239 Topic: Ecology and Evolution Likelihood: Medium
Question: The first consumers in a grazing food chain are
A. decomposers
B. herbivores
C. predators
D. producers
Correct Answer: B
Explanation: Herbivores feed directly on producers.
Question 240 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: Variation that is caused mainly by environmental factors is often seen in
A. blood group
B. tongue rolling only
C. body weight
D. sex
Correct Answer: C
Explanation: Body weight can be strongly influenced by diet and lifestyle.
JAMB 2000 Original Practice Pack Page 89Question 241 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The main nitrogenous waste excreted by mammals is
A. glucose
B. uric acid
C. ammonia
D. urea
Correct Answer: D
Explanation: Mammals convert ammonia to urea in the liver.
Question 242 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The organ mainly responsible for osmoregulation in mammals is the
A. liver
B. skin
C. spleen
D. kidney
Correct Answer: D
Explanation: The kidneys regulate water and salts.
Question 243 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The structural and functional unit of the kidney is the
A. villus
B. alveolus
C. sarcomere
D. nephron
Correct Answer: D
Explanation: The nephron filters blood and forms urine.
Question 244 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Ultrafiltration occurs in the
A. ureter
B. glomerulus
C. bladder
D. renal pelvis
Correct Answer: B
Explanation: Blood is filtered under pressure in the glomerulus.
Question 245 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The tube that carries urine from the kidney to the bladder is the
A. vena cava
B. urethra
C. duodenum
D. ureter
Correct Answer: D
Explanation: Ureter connects the kidney to the bladder.
Question 246 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Sweating helps to regulate body temperature by
A. forming antibodies
B. preventing breathing
C. increasing blood sugar
D. cooling the skin through evaporation
Correct Answer: D
Explanation: Evaporation of sweat removes heat.
Question 247 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The skin excretes mainly
A. oxygen only
B. starch and glucose
C. water, salts and small amounts of urea
D. carbon dioxide only
Correct Answer: C
Explanation: These wastes leave the body in sweat.
Question 248 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The supporting tissue found at the tip of the nose is
A. cartilage
B. tendon
C. bone
D. muscle
Correct Answer: A
Explanation: Cartilage provides flexible support.
Question 249 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The skeleton of insects is an
A. hydrostatic skeleton
B. exoskeleton
C. endoskeleton
D. cartilaginous skeleton
JAMB 2000 Original Practice Pack Page 90Correct Answer: B
Explanation: Insects possess an external chitinous skeleton.
Question 250 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Movement at a joint is produced mainly by the action of
A. muscles
B. ligaments only
C. cartilage only
D. bones only
Correct Answer: A
Explanation: Muscles contract and move bones.
Question 251 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Tendons connect
A. muscle to muscle
B. bone to bone
C. nerve to muscle
D. muscle to bone
Correct Answer: D
Explanation: Tendons attach muscles to bones.
Question 252 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Ligaments connect
A. cartilage to bone
B. bone to bone
C. nerve to muscle
D. muscle to bone
Correct Answer: B
Explanation: Ligaments hold bones together at joints.
Question 253 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The joint found at the elbow is a
A. pivot joint
B. ball and socket joint
C. gliding joint
D. hinge joint
Correct Answer: D
Explanation: The elbow mainly allows movement in one plane.
Question 254 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The joint at the shoulder is a
A. ball and socket joint
B. hinge joint
C. pivot joint
D. fixed joint
Correct Answer: A
Explanation: The shoulder allows movement in many directions.
Question 255 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The vertebral column helps in
A. digestion of food
B. production of bile
C. support and protection of the spinal cord
D. blood clotting
Correct Answer: C
Explanation: The backbone supports the body and protects the spinal cord.
Question 256 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The muscular tube that carries food from the mouth to the stomach is the
A. duodenum
B. oesophagus
C. trachea
D. ileum
Correct Answer: B
Explanation: Food passes down the oesophagus.
Question 257 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The process by which liquid water is lost from the tip of leaves is
A. transpiration
B. diffusion
C. guttation
D. respiration
Correct Answer: C
Explanation: Guttation is the loss of water droplets at leaf margins.
Question 258 Topic: Excretion, Support and Movement Likelihood: Medium
Question: An adaptation of fish for movement in water is the presence of
JAMB 2000 Original Practice Pack Page 91A. jointed limbs
B. lungs with alveoli
C. feathers
D. streamlined body shape
Correct Answer: D
Explanation: A streamlined body reduces resistance in water.
Question 259 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Birds fly efficiently partly because their bodies are
A. segmented
B. gelatinous
C. flattened
D. streamlined
Correct Answer: D
Explanation: Streamlining reduces air resistance.
Question 260 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The earthworm moves mainly with the aid of
A. wings and fins
B. cilia and flagella
C. joints and tendons
D. setae and muscles
Correct Answer: D
Explanation: Setae grip the soil while muscles contract.
Question 261 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The shell of a snail serves mainly for
A. photosynthesis
B. protection
C. gas exchange
D. blood transport
Correct Answer: B
Explanation: The shell shields the soft body.
Question 262 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The hydrostatic skeleton of an earthworm depends on
A. chitin
B. fluid pressure in the body
C. cartilage
D. bone tissue
Correct Answer: B
Explanation: Fluid-filled compartments help maintain shape.
Question 263 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The organ that removes excess water from a freshwater protozoan is the
A. nucleus
B. contractile vacuole
C. cell wall
D. chloroplast
Correct Answer: B
Explanation: It pumps out excess water.
Question 264 Topic: Excretion, Support and Movement Likelihood: Medium
Question: The kidneys help to maintain the constancy of the internal environment by
A. pollination
B. translocation
C. homeostasis
D. germination
Correct Answer: C
Explanation: Homeostasis is the maintenance of internal balance.
Question 265 Topic: Excretion, Support and Movement Likelihood: Medium
Question: A symptom of kidney failure may include
A. longer bones
B. better vision
C. reduced urine formation
D. rapid photosynthesis
Correct Answer: C
Explanation: Faulty kidneys may reduce urine output.
Question 266 Topic: Coordination and Control Likelihood: Medium
Question: The basic functional unit of the nervous system is the
A. villus
B. alveolus
C. nephron
D. neuron
Correct Answer: D
JAMB 2000 Original Practice Pack Page 92Explanation: The neuron conducts nerve impulses.
Question 267 Topic: Coordination and Control Likelihood: Medium
Question: The part of the brain responsible for balance is the
A. medulla
B. pituitary
C. cerebellum
D. cerebrum
Correct Answer: C
Explanation: The cerebellum coordinates balance and posture.
Question 268 Topic: Coordination and Control Likelihood: Medium
Question: The medulla oblongata mainly controls
A. bone formation
B. memory and intelligence
C. involuntary actions
D. vision only
Correct Answer: C
Explanation: The medulla controls activities such as breathing and heartbeat.
Question 269 Topic: Coordination and Control Likelihood: Medium
Question: The receptor for light in the eye is the
A. retina
B. lens
C. iris
D. cornea
Correct Answer: A
Explanation: The retina contains light-sensitive cells.
Question 270 Topic: Coordination and Control Likelihood: Medium
Question: The colored part of the eye that controls pupil size is the
A. iris
B. cornea
C. sclera
D. retina
Correct Answer: A
Explanation: The iris regulates the amount of light entering the eye.
Question 271 Topic: Coordination and Control Likelihood: Medium
Question: Short-sightedness can be corrected with
A. cylindrical lens only
B. convex lens
C. concave lens
D. prism
Correct Answer: C
Explanation: A concave lens diverges light before it enters the eye.
Question 272 Topic: Coordination and Control Likelihood: Medium
Question: The organ responsible for hearing and balance is the
A. nose
B. skin
C. ear
D. eye
Correct Answer: C
Explanation: The ear detects sound and helps maintain balance.
Question 273 Topic: Coordination and Control Likelihood: Medium
Question: The hormone that regulates blood sugar level is
A. estrogen
B. insulin
C. adrenaline
D. thyroxine
Correct Answer: B
Explanation: Insulin lowers blood glucose.
Question 274 Topic: Coordination and Control Likelihood: Medium
Question: The hormone responsible for 'fight or flight' response is
A. insulin
B. auxin
C. progesterone
D. adrenaline
Correct Answer: D
Explanation: Adrenaline prepares the body for emergencies.
Question 275 Topic: Coordination and Control Likelihood: Medium
Question: The endocrine gland found in the neck is the
A. adrenal gland
JAMB 2000 Original Practice Pack Page 93B. pancreas
C. pituitary gland
D. thyroid gland
Correct Answer: D
Explanation: The thyroid lies in the neck.
Question 276 Topic: Coordination and Control Likelihood: Medium
Question: Tropism is a response of a plant to
A. internal bleeding
B. parasites
C. directional stimulus
D. food shortage
Correct Answer: C
Explanation: Plant growth responses to directional stimuli are tropisms.
Question 277 Topic: Coordination and Control Likelihood: Medium
Question: Bending of a plant shoot towards light is called
A. hydrotropism
B. geotropism
C. thigmotropism
D. phototropism
Correct Answer: D
Explanation: Phototropism is a response to light.
Question 278 Topic: Coordination and Control Likelihood: Medium
Question: Growth of roots towards water is
A. chemotropism
B. phototropism
C. hydrotropism
D. thigmotropism
Correct Answer: C
Explanation: Hydrotropism is a response to water.
Question 279 Topic: Coordination and Control Likelihood: Medium
Question: Auxins are plant hormones that promote
A. blood clotting
B. protein digestion
C. cell elongation
D. pollen formation
Correct Answer: C
Explanation: Auxins stimulate growth in shoots.
Question 280 Topic: Coordination and Control Likelihood: Medium
Question: The opening and closing of stomata is an example of response involving
A. cell division only
B. chromosome mutation
C. turgor changes in guard cells
D. meiosis
Correct Answer: C
Explanation: Guard cells open and close stomata by changing turgidity.
Question 281 Topic: Coordination and Control Likelihood: Medium
Question: A reflex action is one that is
A. rapid and involuntary
B. slow and learned
C. restricted to plants
D. always conscious
Correct Answer: A
Explanation: Reflexes are automatic responses to stimuli.
Question 282 Topic: Coordination and Control Likelihood: Medium
Question: The path taken by a nerve impulse during a reflex action is the
A. blood vessel
B. spinal cord only
C. motor cortex
D. reflex arc
Correct Answer: D
Explanation: The reflex arc is the pathway of the reflex.
Question 283 Topic: Coordination and Control Likelihood: Medium
Question: The part of the ear that contains the organ of hearing is the
A. semicircular canal
B. eardrum
C. cochlea
D. pinna
Correct Answer: C
Explanation: The cochlea contains the sensory cells for hearing.
JAMB 2000 Original Practice Pack Page 94Question 284 Topic: Coordination and Control Likelihood: Medium
Question: The hormone secreted by the pancreas besides insulin is
A. auxin
B. testosterone
C. glucagon
D. adrenaline
Correct Answer: C
Explanation: Glucagon raises blood sugar level.
Question 285 Topic: Coordination and Control Likelihood: Medium
Question: The pituitary gland is often called the master gland because it
A. controls other endocrine glands
B. forms red blood cells
C. stores bile
D. produces urine
Correct Answer: A
Explanation: It secretes hormones that regulate other glands.
Question 286 Topic: Coordination and Control Likelihood: Medium
Question: The receptor cells for smell are located in the
A. ear
B. tongue
C. nose
D. skin
Correct Answer: C
Explanation: Olfactory receptors are in the nose.
Question 287 Topic: Coordination and Control Likelihood: Medium
Question: The taste buds are found mainly on the
A. teeth
B. tongue
C. gums
D. lips
Correct Answer: B
Explanation: Taste receptors are concentrated on the tongue.
Question 288 Topic: Coordination and Control Likelihood: Medium
Question: The external ear mainly helps to
A. filter blood
B. collect sound waves
C. digest food
D. balance blood sugar
Correct Answer: B
Explanation: The pinna directs sound into the ear canal.
Question 289 Topic: Coordination and Control Likelihood: Medium
Question: When the hand touches a hot object and is withdrawn quickly, the coordinator is mainly the
A. kidney
B. pituitary gland
C. liver
D. spinal cord
Correct Answer: D
Explanation: The spinal cord coordinates many reflex actions.
Question 290 Topic: Coordination and Control Likelihood: Medium
Question: A nastic movement in plants differs from a tropic movement because it is
A. non-directional
B. caused by insects only
C. always slower
D. restricted to roots
Correct Answer: A
Explanation: Nastic movements do not depend on the direction of the stimulus.
Question 291 Topic: Cell Structure and Organization Likelihood: Medium
Question: What is the main function of the nucleolus?
A. formation of ribosomes
B. site of many metabolic reactions
C. breakdown of dead organic matter
D. gaseous exchange in leaves
Correct Answer: A
Explanation: The nucleolus is mainly responsible for formation of ribosomes.
Question 292 Topic: Cell Structure and Organization Likelihood: Medium
Question: Which structure is mainly responsible for formation of ribosomes?
A. adrenaline
B. nucleolus
C. stigma
JAMB 2000 Original Practice Pack Page 95D. lysosome
Correct Answer: B
Explanation: Nucleolus performs formation of ribosomes.
Question 293 Topic: Cell Structure and Organization Likelihood: Medium
Question: What is the main function of the centrioles?
A. urine formation
B. joining bone to bone
C. organization of spindle fibres in animal cells
D. manufacture of carbohydrate using light energy
Correct Answer: C
Explanation: The centrioles is mainly responsible for organization of spindle fibres in animal cells.
Question 294 Topic: Cell Structure and Organization Likelihood: Medium
Question: Which structure is mainly responsible for organization of spindle fibres in animal cells?
A. allele
B. vaccination
C. centrioles
D. xylem
Correct Answer: C
Explanation: Centrioles performs organization of spindle fibres in animal cells.
Question 295 Topic: Cell Structure and Organization Likelihood: Medium
Question: What is the main function of the chloroplast?
A. transmission of hereditary traits
B. production of digestive enzymes
C. manufacture of carbohydrate using light energy
D. intracellular digestion
Correct Answer: C
Explanation: The chloroplast is mainly responsible for manufacture of carbohydrate using light energy.
Question 296 Topic: Cell Structure and Organization Likelihood: Medium
Question: Which structure is mainly responsible for manufacture of carbohydrate using light energy?
A. iris
B. aorta
C. adrenaline
D. chloroplast
Correct Answer: D
Explanation: Chloroplast performs manufacture of carbohydrate using light energy.
Question 297 Topic: Cell Structure and Organization Likelihood: Medium
Question: What is the main function of the Golgi apparatus?
A. support and protection in plant cells
B. destruction of harmful microbes in milk
C. organization of spindle fibres in animal cells
D. modification and packaging of secretions
Correct Answer: D
Explanation: The Golgi apparatus is mainly responsible for modification and packaging of secretions.
Question 298 Topic: Cell Structure and Organization Likelihood: Medium
Question: Which structure is mainly responsible for modification and packaging of secretions?
A. vaccination
B. cytoplasm
C. Golgi apparatus
D. palisade mesophyll
Correct Answer: C
Explanation: Golgi apparatus performs modification and packaging of secretions.
Question 299 Topic: Cell Structure and Organization Likelihood: Medium
Question: What is the main function of the lysosome?
A. intracellular digestion
B. flexible support in some body parts
C. modification and packaging of secretions
D. absorption of water and minerals
Correct Answer: A
Explanation: The lysosome is mainly responsible for intracellular digestion.
Question 300 Topic: Cell Structure and Organization Likelihood: Medium
Question: Which structure is mainly responsible for intracellular digestion?
A. centrioles
B. anther
C. lysosome
D. vena cava
Correct Answer: C
Explanation: Lysosome performs intracellular digestion.
JAMB 2000 Original Practice Pack Page 96Question 301 Topic: Cell Structure and Organization Likelihood: Medium
Question: What is the main function of the cell wall?
A. digestion of proteins in the stomach
B. support and protection in plant cells
C. production of bile
D. absorption of digested food
Correct Answer: B
Explanation: The cell wall is mainly responsible for support and protection in plant cells.
Question 302 Topic: Cell Structure and Organization Likelihood: Medium
Question: Which structure is mainly responsible for support and protection in plant cells?
A. cell wall
B. amylase
C. chloroplast
D. medulla oblongata
Correct Answer: A
Explanation: Cell wall performs support and protection in plant cells.
Question 303 Topic: Cell Structure and Organization Likelihood: Medium
Question: What is the main function of the cytoplasm?
A. modification and packaging of secretions
B. protection of spinal cord
C. production of sperm cells
D. site of many metabolic reactions
Correct Answer: D
Explanation: The cytoplasm is mainly responsible for site of many metabolic reactions.
Question 304 Topic: Cell Structure and Organization Likelihood: Medium
Question: Which structure is mainly responsible for site of many metabolic reactions?
A. villus
B. cytoplasm
C. ureter
D. palisade mesophyll
Correct Answer: B
Explanation: Cytoplasm performs site of many metabolic reactions.
Question 305 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the xylem?
A. transport of water and mineral salts
B. breakdown of dead organic matter
C. return of deoxygenated blood to the heart
D. alternative form of a gene
Correct Answer: A
Explanation: The xylem is mainly responsible for transport of water and mineral salts.
Question 306 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for transport of water and mineral salts?
A. xylem
B. stigma
C. lymph
D. ovary
Correct Answer: A
Explanation: Xylem performs transport of water and mineral salts.
Question 307 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the phloem?
A. organization of spindle fibres in animal cells
B. transport of oxygen
C. transport of manufactured food
D. absorption of digested food
Correct Answer: C
Explanation: The phloem is mainly responsible for transport of manufactured food.
Question 308 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for transport of manufactured food?
A. Golgi apparatus
B. phloem
C. vertebral column
D. vaccination
Correct Answer: B
Explanation: Phloem performs transport of manufactured food.
Question 309 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the palisade mesophyll?
A. site of many metabolic reactions
B. trapping of light for photosynthesis
C. digestion of starch
D. absorption of water and minerals
JAMB 2000 Original Practice Pack Page 97Correct Answer: B
Explanation: The palisade mesophyll is mainly responsible for trapping of light for photosynthesis.
Question 310 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for trapping of light for photosynthesis?
A. pancreas
B. palisade mesophyll
C. chromosome
D. ovary
Correct Answer: B
Explanation: Palisade mesophyll performs trapping of light for photosynthesis.
Question 311 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the stomata?
A. gaseous exchange in leaves
B. absorption of digested food
C. storage of food in many seeds
D. digestion of starch
Correct Answer: A
Explanation: The stomata is mainly responsible for gaseous exchange in leaves.
Question 312 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for gaseous exchange in leaves?
A. cotyledon
B. stomata
C. decomposers
D. centrioles
Correct Answer: B
Explanation: Stomata performs gaseous exchange in leaves.
Question 313 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the root hair?
A. absorption of water and minerals
B. production of ova in females
C. increase of absorptive surface area
D. stimulation of immunity
Correct Answer: A
Explanation: The root hair is mainly responsible for absorption of water and minerals.
Question 314 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for absorption of water and minerals?
A. ileum
B. anther
C. chloroplast
D. root hair
Correct Answer: D
Explanation: Root hair performs absorption of water and minerals.
Question 315 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the ileum?
A. production of digestive enzymes
B. coordination of balance
C. absorption of digested food
D. organization of spindle fibres in animal cells
Correct Answer: C
Explanation: The ileum is mainly responsible for absorption of digested food.
Question 316 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for absorption of digested food?
A. villus
B. ileum
C. vaccination
D. medulla oblongata
Correct Answer: B
Explanation: Ileum performs absorption of digested food.
Question 317 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the villus?
A. stimulation of immunity
B. transport of oxygen
C. modification and packaging of secretions
D. increase of absorptive surface area
Correct Answer: D
Explanation: The villus is mainly responsible for increase of absorptive surface area.
Question 318 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for increase of absorptive surface area?
JAMB 2000 Original Practice Pack Page 98A. ovary
B. gene
C. villus
D. xylem
Correct Answer: C
Explanation: Villus performs increase of absorptive surface area.
Question 319 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the liver?
A. urine formation
B. regulation of blood sugar level
C. breakdown of dead organic matter
D. production of bile
Correct Answer: D
Explanation: The liver is mainly responsible for production of bile.
Question 320 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for production of bile?
A. liver
B. hemoglobin
C. phloem
D. stomata
Correct Answer: A
Explanation: Liver performs production of bile.
Question 321 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the pancreas?
A. detection of light
B. absorption of water and minerals
C. production of digestive enzymes
D. transport of oxygen
Correct Answer: C
Explanation: The pancreas is mainly responsible for production of digestive enzymes.
Question 322 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for production of digestive enzymes?
A. vena cava
B. quadrat
C. pancreas
D. alveoli
Correct Answer: C
Explanation: Pancreas performs production of digestive enzymes.
Question 323 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the amylase?
A. sampling of organisms in a habitat
B. digestion of starch
C. formation of ribosomes
D. manufacture of food in ecosystems
Correct Answer: B
Explanation: The amylase is mainly responsible for digestion of starch.
Question 324 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for digestion of starch?
A. hemoglobin
B. amylase
C. cerebellum
D. root hair
Correct Answer: B
Explanation: Amylase performs digestion of starch.
Question 325 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the lipase?
A. trapping of light for photosynthesis
B. production of pollen grains
C. clotting of blood
D. digestion of fats
Correct Answer: D
Explanation: The lipase is mainly responsible for digestion of fats.
Question 326 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for digestion of fats?
A. iris
B. hemoglobin
C. stomata
D. lipase
Correct Answer: D
JAMB 2000 Original Practice Pack Page 99Explanation: Lipase performs digestion of fats.
Question 327 Topic: Nutrition Likelihood: Medium
Question: What is the main function of the pepsin?
A. digestion of starch
B. formation of ribosomes
C. digestion of proteins in the stomach
D. joining bone to bone
Correct Answer: C
Explanation: The pepsin is mainly responsible for digestion of proteins in the stomach.
Question 328 Topic: Nutrition Likelihood: Medium
Question: Which structure is mainly responsible for digestion of proteins in the stomach?
A. lymph
B. allele
C. amylase
D. pepsin
Correct Answer: D
Explanation: Pepsin performs digestion of proteins in the stomach.
Question 329 Topic: Transport and Respiration Likelihood: Medium
Question: What is the main function of the trachea?
A. return of deoxygenated blood to the heart
B. modification and packaging of secretions
C. passage of air to the lungs
D. joining bone to bone
Correct Answer: C
Explanation: The trachea is mainly responsible for passage of air to the lungs.
Question 330 Topic: Transport and Respiration Likelihood: Medium
Question: Which structure is mainly responsible for passage of air to the lungs?
A. vena cava
B. anther
C. trachea
D. lymph
Correct Answer: C
Explanation: Trachea performs passage of air to the lungs.
Question 331 Topic: Transport and Respiration Likelihood: Medium
Question: What is the main function of the alveoli?
A. production of ova in females
B. detection of light
C. gaseous exchange
D. alternative form of a gene
Correct Answer: C
Explanation: The alveoli is mainly responsible for gaseous exchange.
Question 332 Topic: Transport and Respiration Likelihood: Medium
Question: Which structure is mainly responsible for gaseous exchange?
A. chloroplast
B. lysosome
C. alveoli
D. vaccination
Correct Answer: C
Explanation: Alveoli performs gaseous exchange.
Question 333 Topic: Transport and Respiration Likelihood: Medium
Question: What is the main function of the hemoglobin?
A. intracellular digestion
B. digestion of starch
C. transport of oxygen
D. site of many metabolic reactions
Correct Answer: C
Explanation: The hemoglobin is mainly responsible for transport of oxygen.
Question 334 Topic: Transport and Respiration Likelihood: Medium
Question: Which structure is mainly responsible for transport of oxygen?
A. lysosome
B. quadrat
C. stomata
D. hemoglobin
Correct Answer: D
Explanation: Hemoglobin performs transport of oxygen.
Question 335 Topic: Transport and Respiration Likelihood: Medium
Question: What is the main function of the platelets?
A. clotting of blood
JAMB 2000 Original Practice Pack Page 100B. attachment of muscle to bone
C. organization of spindle fibres in animal cells
D. breakdown of dead organic matter
Correct Answer: A
Explanation: The platelets is mainly responsible for clotting of blood.
Question 336 Topic: Transport and Respiration Likelihood: Medium
Question: Which structure is mainly responsible for clotting of blood?
A. stomata
B. cytoplasm
C. platelets
D. Golgi apparatus
Correct Answer: C
Explanation: Platelets performs clotting of blood.
Question 337 Topic: Transport and Respiration Likelihood: Medium
Question: What is the main function of the lymph?
A. return of tissue fluid to the blood
B. transport of urine to the bladder
C. production of sperm cells
D. manufacture of food in ecosystems
Correct Answer: A
Explanation: The lymph is mainly responsible for return of tissue fluid to the blood.
Question 338 Topic: Transport and Respiration Likelihood: Medium
Question: Which structure is mainly responsible for return of tissue fluid to the blood?
A. cytoplasm
B. pancreas
C. trachea
D. lymph
Correct Answer: D
Explanation: Lymph performs return of tissue fluid to the blood.
Question 339 Topic: Transport and Respiration Likelihood: Medium
Question: What is the main function of the aorta?
A. modification and packaging of secretions
B. return of tissue fluid to the blood
C. trapping of light for photosynthesis
D. distribution of oxygenated blood to the body
Correct Answer: D
Explanation: The aorta is mainly responsible for distribution of oxygenated blood to the body.
Question 340 Topic: Transport and Respiration Likelihood: Medium
Question: Which structure is mainly responsible for distribution of oxygenated blood to the body?
A. pepsin
B. pasteurization
C. aorta
D. insulin
Correct Answer: C
Explanation: Aorta performs distribution of oxygenated blood to the body.
Question 341 Topic: Transport and Respiration Likelihood: Medium
Question: What is the main function of the vena cava?
A. gaseous exchange in leaves
B. organization of spindle fibres in animal cells
C. return of deoxygenated blood to the heart
D. increase of absorptive surface area
Correct Answer: C
Explanation: The vena cava is mainly responsible for return of deoxygenated blood to the heart.
Question 342 Topic: Transport and Respiration Likelihood: Medium
Question: Which structure is mainly responsible for return of deoxygenated blood to the heart?
A. vena cava
B. trachea
C. xylem
D. allele
Correct Answer: A
Explanation: Vena cava performs return of deoxygenated blood to the heart.
Question 343 Topic: Excretion, Support and Movement Likelihood: Medium
Question: What is the main function of the nephron?
A. digestion of starch
B. regulation of blood sugar level
C. urine formation
D. support and protection in plant cells
Correct Answer: C
Explanation: The nephron is mainly responsible for urine formation.
JAMB 2000 Original Practice Pack Page 101Question 344 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Which structure is mainly responsible for urine formation?
A. lymph
B. aorta
C. nephron
D. root hair
Correct Answer: C
Explanation: Nephron performs urine formation.
Question 345 Topic: Excretion, Support and Movement Likelihood: Medium
Question: What is the main function of the ureter?
A. flexible support in some body parts
B. transport of urine to the bladder
C. digestion of starch
D. joining bone to bone
Correct Answer: B
Explanation: The ureter is mainly responsible for transport of urine to the bladder.
Question 346 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Which structure is mainly responsible for transport of urine to the bladder?
A. chromosome
B. palisade mesophyll
C. producers
D. ureter
Correct Answer: D
Explanation: Ureter performs transport of urine to the bladder.
Question 347 Topic: Excretion, Support and Movement Likelihood: Medium
Question: What is the main function of the tendon?
A. urine formation
B. attachment of muscle to bone
C. exchange between mother and fetus
D. stimulation of immunity
Correct Answer: B
Explanation: The tendon is mainly responsible for attachment of muscle to bone.
Question 348 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Which structure is mainly responsible for attachment of muscle to bone?
A. tendon
B. aorta
C. pasteurization
D. ovary
Correct Answer: A
Explanation: Tendon performs attachment of muscle to bone.
Question 349 Topic: Excretion, Support and Movement Likelihood: Medium
Question: What is the main function of the ligament?
A. protection of spinal cord
B. production of ova in females
C. joining bone to bone
D. production of digestive enzymes
Correct Answer: C
Explanation: The ligament is mainly responsible for joining bone to bone.
Question 350 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Which structure is mainly responsible for joining bone to bone?
A. chloroplast
B. stigma
C. ligament
D. decomposers
Correct Answer: C
Explanation: Ligament performs joining bone to bone.
Question 351 Topic: Excretion, Support and Movement Likelihood: Medium
Question: What is the main function of the cartilage?
A. increase of absorptive surface area
B. gaseous exchange in leaves
C. flexible support in some body parts
D. absorption of water and minerals
Correct Answer: C
Explanation: The cartilage is mainly responsible for flexible support in some body parts.
Question 352 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Which structure is mainly responsible for flexible support in some body parts?
A. ureter
B. cell wall
C. cartilage
JAMB 2000 Original Practice Pack Page 102D. adrenaline
Correct Answer: C
Explanation: Cartilage performs flexible support in some body parts.
Question 353 Topic: Excretion, Support and Movement Likelihood: Medium
Question: What is the main function of the vertebral column?
A. digestion of starch
B. coordination of balance
C. gaseous exchange
D. protection of spinal cord
Correct Answer: D
Explanation: The vertebral column is mainly responsible for protection of spinal cord.
Question 354 Topic: Excretion, Support and Movement Likelihood: Medium
Question: Which structure is mainly responsible for protection of spinal cord?
A. vertebral column
B. testis
C. alveoli
D. vena cava
Correct Answer: A
Explanation: Vertebral column performs protection of spinal cord.
Question 355 Topic: Reproduction and Growth Likelihood: Medium
Question: What is the main function of the anther?
A. alternative form of a gene
B. formation of ribosomes
C. production of pollen grains
D. manufacture of food in ecosystems
Correct Answer: C
Explanation: The anther is mainly responsible for production of pollen grains.
Question 356 Topic: Reproduction and Growth Likelihood: Medium
Question: Which structure is mainly responsible for production of pollen grains?
A. palisade mesophyll
B. ovary
C. cotyledon
D. anther
Correct Answer: D
Explanation: Anther performs production of pollen grains.
Question 357 Topic: Reproduction and Growth Likelihood: Medium
Question: What is the main function of the stigma?
A. reception of pollen grains
B. exchange between mother and fetus
C. alternative form of a gene
D. digestion of proteins in the stomach
Correct Answer: A
Explanation: The stigma is mainly responsible for reception of pollen grains.
Question 358 Topic: Reproduction and Growth Likelihood: Medium
Question: Which structure is mainly responsible for reception of pollen grains?
A. aorta
B. retina
C. stigma
D. vertebral column
Correct Answer: C
Explanation: Stigma performs reception of pollen grains.
Question 359 Topic: Reproduction and Growth Likelihood: Medium
Question: What is the main function of the ovary?
A. return of deoxygenated blood to the heart
B. digestion of fats
C. housing of ovules
D. trapping of light for photosynthesis
Correct Answer: C
Explanation: The ovary is mainly responsible for housing of ovules.
Question 360 Topic: Reproduction and Growth Likelihood: Medium
Question: Which structure is mainly responsible for housing of ovules?
A. pancreas
B. hemoglobin
C. decomposers
D. ovary
Correct Answer: D
Explanation: Ovary performs housing of ovules.
JAMB 2000 Original Practice Pack Page 103Question 361 Topic: Reproduction and Growth Likelihood: Medium
Question: What is the main function of the placenta?
A. exchange between mother and fetus
B. organization of spindle fibres in animal cells
C. digestion of fats
D. return of tissue fluid to the blood
Correct Answer: A
Explanation: The placenta is mainly responsible for exchange between mother and fetus.
Question 362 Topic: Reproduction and Growth Likelihood: Medium
Question: Which structure is mainly responsible for exchange between mother and fetus?
A. lipase
B. vertebral column
C. producers
D. placenta
Correct Answer: D
Explanation: Placenta performs exchange between mother and fetus.
Question 363 Topic: Reproduction and Growth Likelihood: Medium
Question: What is the main function of the testis?
A. production of sperm cells
B. attachment of muscle to bone
C. passage of air to the lungs
D. functional role of an organism
Correct Answer: A
Explanation: The testis is mainly responsible for production of sperm cells.
Question 364 Topic: Reproduction and Growth Likelihood: Medium
Question: Which structure is mainly responsible for production of sperm cells?
A. retina
B. testis
C. cell wall
D. cerebellum
Correct Answer: B
Explanation: Testis performs production of sperm cells.
Question 365 Topic: Reproduction and Growth Likelihood: Medium
Question: Which structure is mainly responsible for production of ova in females?
A. anther
B. vaccination
C. ovary
D. Golgi apparatus
Correct Answer: C
Explanation: Ovary performs production of ova in females.
Question 366 Topic: Reproduction and Growth Likelihood: Medium
Question: What is the main function of the cotyledon?
A. return of deoxygenated blood to the heart
B. storage of food in many seeds
C. production of pollen grains
D. breakdown of dead organic matter
Correct Answer: B
Explanation: The cotyledon is mainly responsible for storage of food in many seeds.
Question 367 Topic: Reproduction and Growth Likelihood: Medium
Question: Which structure is mainly responsible for storage of food in many seeds?
A. ileum
B. Golgi apparatus
C. cotyledon
D. root hair
Correct Answer: C
Explanation: Cotyledon performs storage of food in many seeds.
Question 368 Topic: Coordination and Control Likelihood: Medium
Question: What is the main function of the cerebellum?
A. coordination of balance
B. return of tissue fluid to the blood
C. breakdown of dead organic matter
D. modification and packaging of secretions
Correct Answer: A
Explanation: The cerebellum is mainly responsible for coordination of balance.
Question 369 Topic: Coordination and Control Likelihood: Medium
Question: Which structure is mainly responsible for coordination of balance?
A. pasteurization
B. cerebellum
C. ligament
D. anther
JAMB 2000 Original Practice Pack Page 104Correct Answer: B
Explanation: Cerebellum performs coordination of balance.
Question 370 Topic: Coordination and Control Likelihood: Medium
Question: What is the main function of the medulla oblongata?
A. control of involuntary actions
B. production of digestive enzymes
C. preparation of the body for emergencies
D. organization of spindle fibres in animal cells
Correct Answer: A
Explanation: The medulla oblongata is mainly responsible for control of involuntary actions.
Question 371 Topic: Coordination and Control Likelihood: Medium
Question: Which structure is mainly responsible for control of involuntary actions?
A. ovary
B. medulla oblongata
C. root hair
D. cartilage
Correct Answer: B
Explanation: Medulla oblongata performs control of involuntary actions.
Question 372 Topic: Coordination and Control Likelihood: Medium
Question: What is the main function of the iris?
A. functional role of an organism
B. manufacture of food in ecosystems
C. digestion of starch
D. control of the amount of light entering the eye
Correct Answer: D
Explanation: The iris is mainly responsible for control of the amount of light entering the eye.
Question 373 Topic: Coordination and Control Likelihood: Medium
Question: Which structure is mainly responsible for control of the amount of light entering the eye?
A. stomata
B. Golgi apparatus
C. iris
D. aorta
Correct Answer: C
Explanation: Iris performs control of the amount of light entering the eye.
Question 374 Topic: Coordination and Control Likelihood: Medium
Question: What is the main function of the retina?
A. preparation of the body for emergencies
B. detection of light
C. increase of absorptive surface area
D. digestion of fats
Correct Answer: B
Explanation: The retina is mainly responsible for detection of light.
Question 375 Topic: Coordination and Control Likelihood: Medium
Question: Which structure is mainly responsible for detection of light?
A. gene
B. adrenaline
C. retina
D. nucleolus
Correct Answer: C
Explanation: Retina performs detection of light.
Question 376 Topic: Coordination and Control Likelihood: Medium
Question: What is the main function of the insulin?
A. regulation of blood sugar level
B. stimulation of immunity
C. formation of ribosomes
D. storage of food in many seeds
Correct Answer: A
Explanation: The insulin is mainly responsible for regulation of blood sugar level.
Question 377 Topic: Coordination and Control Likelihood: Medium
Question: Which structure is mainly responsible for regulation of blood sugar level?
A. insulin
B. iris
C. decomposers
D. lipase
Correct Answer: A
Explanation: Insulin performs regulation of blood sugar level.
Question 378 Topic: Coordination and Control Likelihood: Medium
Question: What is the main function of the adrenaline?
JAMB 2000 Original Practice Pack Page 105A. preparation of the body for emergencies
B. digestion of starch
C. joining bone to bone
D. increase of absorptive surface area
Correct Answer: A
Explanation: The adrenaline is mainly responsible for preparation of the body for emergencies.
Question 379 Topic: Coordination and Control Likelihood: Medium
Question: Which structure is mainly responsible for preparation of the body for emergencies?
A. adrenaline
B. ovary
C. nucleolus
D. cytoplasm
Correct Answer: A
Explanation: Adrenaline performs preparation of the body for emergencies.
Question 380 Topic: Ecology and Evolution Likelihood: Medium
Question: What is the main function of the producers?
A. regulation of blood sugar level
B. passage of air to the lungs
C. manufacture of food in ecosystems
D. site of many metabolic reactions
Correct Answer: C
Explanation: The producers is mainly responsible for manufacture of food in ecosystems.
Question 381 Topic: Ecology and Evolution Likelihood: Medium
Question: Which structure is mainly responsible for manufacture of food in ecosystems?
A. producers
B. alveoli
C. lipase
D. medulla oblongata
Correct Answer: A
Explanation: Producers performs manufacture of food in ecosystems.
Question 382 Topic: Ecology and Evolution Likelihood: Medium
Question: What is the main function of the decomposers?
A. trapping of light for photosynthesis
B. reception of pollen grains
C. breakdown of dead organic matter
D. absorption of digested food
Correct Answer: C
Explanation: The decomposers is mainly responsible for breakdown of dead organic matter.
Question 383 Topic: Ecology and Evolution Likelihood: Medium
Question: Which structure is mainly responsible for breakdown of dead organic matter?
A. insulin
B. decomposers
C. alveoli
D. retina
Correct Answer: B
Explanation: Decomposers performs breakdown of dead organic matter.
Question 384 Topic: Ecology and Evolution Likelihood: Medium
Question: What is the main function of the quadrat?
A. sampling of organisms in a habitat
B. digestion of proteins in the stomach
C. control of the amount of light entering the eye
D. protection of spinal cord
Correct Answer: A
Explanation: The quadrat is mainly responsible for sampling of organisms in a habitat.
Question 385 Topic: Ecology and Evolution Likelihood: Medium
Question: Which structure is mainly responsible for sampling of organisms in a habitat?
A. niche
B. quadrat
C. chloroplast
D. aorta
Correct Answer: B
Explanation: Quadrat performs sampling of organisms in a habitat.
Question 386 Topic: Ecology and Evolution Likelihood: Medium
Question: What is the main function of the niche?
A. functional role of an organism
B. regulation of blood sugar level
C. housing of ovules
D. control of involuntary actions
Correct Answer: A
JAMB 2000 Original Practice Pack Page 106Explanation: The niche is mainly responsible for functional role of an organism.
Question 387 Topic: Ecology and Evolution Likelihood: Medium
Question: Which structure is mainly responsible for functional role of an organism?
A. trachea
B. niche
C. stomata
D. anther
Correct Answer: B
Explanation: Niche performs functional role of an organism.
Question 388 Topic: Heredity, Variation and Applied Biology Question: What is the main function of the chromosome?
A. flexible support in some body parts
B. carrying of genes
C. sampling of organisms in a habitat
D. transport of manufactured food
Correct Answer: B
Explanation: The chromosome is mainly responsible for carrying of genes.
Likelihood: Medium
Question 389 Topic: Heredity, Variation and Applied Biology Question: Which structure is mainly responsible for carrying of genes?
A. hemoglobin
B. insulin
C. iris
D. chromosome
Correct Answer: D
Explanation: Chromosome performs carrying of genes.
Likelihood: Medium
Question 390 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: What is the main function of the gene?
A. transmission of hereditary traits
B. sampling of organisms in a habitat
C. production of bile
D. passage of air to the lungs
Correct Answer: A
Explanation: The gene is mainly responsible for transmission of hereditary traits.
Question 391 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: Which structure is mainly responsible for transmission of hereditary traits?
A. ovary
B. amylase
C. gene
D. pepsin
Correct Answer: C
Explanation: Gene performs transmission of hereditary traits.
Question 392 Topic: Heredity, Variation and Applied Biology Question: What is the main function of the allele?
A. control of involuntary actions
B. production of ova in females
C. modification and packaging of secretions
D. alternative form of a gene
Correct Answer: D
Explanation: The allele is mainly responsible for alternative form of a gene.
Likelihood: Medium
Question 393 Topic: Heredity, Variation and Applied Biology Question: Which structure is mainly responsible for alternative form of a gene?
Likelihood: Medium
A. allele
B. anther
C. xylem
D. insulin
Correct Answer: A
Explanation: Allele performs alternative form of a gene.
Question 394 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: What is the main function of the vaccination?
A. modification and packaging of secretions
B. trapping of light for photosynthesis
C. stimulation of immunity
D. urine formation
Correct Answer: C
Explanation: The vaccination is mainly responsible for stimulation of immunity.
Question 395 A. testis
Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: Which structure is mainly responsible for stimulation of immunity?
JAMB 2000 Original Practice Pack Page 107B. vaccination
C. ligament
D. nephron
Correct Answer: B
Explanation: Vaccination performs stimulation of immunity.
Question 396 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: What is the main function of the pasteurization?
A. carrying of genes
B. destruction of harmful microbes in milk
C. protection of spinal cord
D. support and protection in plant cells
Correct Answer: B
Explanation: The pasteurization is mainly responsible for destruction of harmful microbes in milk.
Question 397 Topic: Heredity, Variation and Applied Biology Likelihood: Medium
Question: Which structure is mainly responsible for destruction of harmful microbes in milk?
A. Golgi apparatus
B. medulla oblongata
C. alveoli
D. pasteurization
Correct Answer: D
Explanation: Pasteurization performs destruction of harmful microbes in milk.
Question 398 Topic: Nutrition Likelihood: Medium
Question: The end product of the digestion of starch is
A. maltose
B. glucose and fructose
C. fatty acids and glycerol
D. glucose
Correct Answer: A
Explanation: Digestion of starch ultimately yields maltose.
Question 399 Topic: Nutrition Likelihood: Medium
Question: The end product of the digestion of proteins is
A. peptides
B. maltose
C. amino acids
D. fatty acids and glycerol
Correct Answer: C
Explanation: Digestion of proteins ultimately yields amino acids.
Question 400 Topic: Nutrition Likelihood: Medium
Question: The end product of the digestion of fats is
A. maltose
B. glucose
C. fatty acids and glycerol
D. glucose and fructose
Correct Answer: C
Explanation: Digestion of fats ultimately yields fatty acids and glycerol.
Question 401 Topic: Nutrition Likelihood: Low
Question: The end product of the digestion of maltose is
A. peptides
B. glucose
C. glucose and fructose
D. amino acids
Correct Answer: B
Explanation: Digestion of maltose ultimately yields glucose.
Question 402 Topic: Nutrition Likelihood: Low
Question: The end product of the digestion of sucrose is
A. maltose
B. fatty acids and glycerol
C. glucose and fructose
D. peptides
Correct Answer: C
Explanation: Digestion of sucrose ultimately yields glucose and fructose.
Question 403 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of arteries?
A. carry blood away from the heart
B. allow air to enter the tracheal system of insects
C. carry blood towards the heart
D. allow exchange between blood and tissues
Correct Answer: A
Explanation: Arteries carry blood away from the heart.
JAMB 2000 Original Practice Pack Page 108Question 404 Topic: Transport and Respiration Likelihood: Low
Question: Which structure carry blood away from the heart?
A. capillaries
B. arteries
C. left atrium
D. plasma
Correct Answer: B
Explanation: Arteries carry blood away from the heart.
Question 405 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of veins?
A. conduct air into the lungs
B. allow air to enter the tracheal system of insects
C. defend the body against infection
D. carry blood towards the heart
Correct Answer: D
Explanation: Veins carry blood towards the heart.
Question 406 Topic: Transport and Respiration Likelihood: Low
Question: Which structure carry blood towards the heart?
A. bronchi
B. veins
C. tracheoles
D. capillaries
Correct Answer: B
Explanation: Veins carry blood towards the heart.
Question 407 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of capillaries?
A. carry blood towards the heart
B. receives blood from the lungs
C. pumps blood to the body
D. allow exchange between blood and tissues
Correct Answer: D
Explanation: Capillaries allow exchange between blood and tissues.
Question 408 Topic: Transport and Respiration Likelihood: Low
Question: Which structure allow exchange between blood and tissues?
A. right atrium
B. capillaries
C. veins
D. tracheoles
Correct Answer: B
Explanation: Capillaries allow exchange between blood and tissues.
Question 409 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of red blood cells?
A. transport oxygen
B. transports dissolved substances
C. receives blood from the lungs
D. deliver air directly to insect tissues
Correct Answer: A
Explanation: Red blood cells transport oxygen.
Question 410 Topic: Transport and Respiration Likelihood: Low
Question: Which structure transport oxygen?
A. capillaries
B. plasma
C. red blood cells
D. arteries
Correct Answer: C
Explanation: Red blood cells transport oxygen.
Question 411 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of white blood cells?
A. pumps blood to the lungs
B. carry blood away from the heart
C. transport oxygen
D. defend the body against infection
Correct Answer: D
Explanation: White blood cells defend the body against infection.
Question 412 Topic: Transport and Respiration Likelihood: Low
Question: Which structure defend the body against infection?
A. veins
B. diaphragm
C. white blood cells
JAMB 2000 Original Practice Pack Page 109D. bronchi
Correct Answer: C
Explanation: White blood cells defend the body against infection.
Question 413 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of plasma?
A. receives blood from the lungs
B. carry blood towards the heart
C. deliver air directly to insect tissues
D. transports dissolved substances
Correct Answer: D
Explanation: Plasma transports dissolved substances.
Question 414 Topic: Transport and Respiration Likelihood: Low
Question: Which structure transports dissolved substances?
A. right atrium
B. white blood cells
C. plasma
D. spiracles
Correct Answer: C
Explanation: Plasma transports dissolved substances.
Question 415 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of right ventricle?
A. pumps blood to the lungs
B. allow exchange between blood and tissues
C. defend the body against infection
D. carry blood away from the heart
Correct Answer: A
Explanation: Right ventricle pumps blood to the lungs.
Question 416 Topic: Transport and Respiration Likelihood: Low
Question: Which structure pumps blood to the lungs?
A. left ventricle
B. spiracles
C. veins
D. right ventricle
Correct Answer: D
Explanation: Right ventricle pumps blood to the lungs.
Question 417 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of left ventricle?
A. pumps blood to the body
B. conduct air into the lungs
C. allow air to enter the tracheal system of insects
D. allow exchange between blood and tissues
Correct Answer: A
Explanation: Left ventricle pumps blood to the body.
Question 418 Topic: Transport and Respiration Likelihood: Low
Question: Which structure pumps blood to the body?
A. white blood cells
B. diaphragm
C. right atrium
D. left ventricle
Correct Answer: D
Explanation: Left ventricle pumps blood to the body.
Question 419 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of right atrium?
A. receives blood from the body
B. carry blood towards the heart
C. allow exchange between blood and tissues
D. pumps blood to the lungs
Correct Answer: A
Explanation: Right atrium receives blood from the body.
Question 420 Topic: Transport and Respiration Likelihood: Low
Question: Which structure receives blood from the body?
A. right ventricle
B. right atrium
C. spiracles
D. left ventricle
Correct Answer: B
Explanation: Right atrium receives blood from the body.
JAMB 2000 Original Practice Pack Page 110Question 421 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of left atrium?
A. allow exchange between blood and tissues
B. carry blood away from the heart
C. receives blood from the lungs
D. carry blood towards the heart
Correct Answer: C
Explanation: Left atrium receives blood from the lungs.
Question 422 Topic: Transport and Respiration Likelihood: Low
Question: Which structure receives blood from the lungs?
A. left ventricle
B. diaphragm
C. left atrium
D. tracheoles
Correct Answer: C
Explanation: Left atrium receives blood from the lungs.
Question 423 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of diaphragm?
A. deliver air directly to insect tissues
B. receives blood from the lungs
C. transports dissolved substances
D. assists breathing
Correct Answer: D
Explanation: Diaphragm assists breathing.
Question 424 Topic: Transport and Respiration Likelihood: Low
Question: Which structure assists breathing?
A. tracheoles
B. diaphragm
C. left ventricle
D. veins
Correct Answer: B
Explanation: Diaphragm assists breathing.
Question 425 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of bronchi?
A. carry blood towards the heart
B. assists breathing
C. conduct air into the lungs
D. defend the body against infection
Correct Answer: C
Explanation: Bronchi conduct air into the lungs.
Question 426 Topic: Transport and Respiration Likelihood: Low
Question: Which structure conduct air into the lungs?
A. plasma
B. right atrium
C. diaphragm
D. bronchi
Correct Answer: D
Explanation: Bronchi conduct air into the lungs.
Question 427 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of spiracles?
A. pumps blood to the body
B. transports dissolved substances
C. allow air to enter the tracheal system of insects
D. assists breathing
Correct Answer: C
Explanation: Spiracles allow air to enter the tracheal system of insects.
Question 428 Topic: Transport and Respiration Likelihood: Low
Question: Which structure allow air to enter the tracheal system of insects?
A. diaphragm
B. spiracles
C. arteries
D. capillaries
Correct Answer: B
Explanation: Spiracles allow air to enter the tracheal system of insects.
Question 429 Topic: Transport and Respiration Likelihood: Low
Question: What is the major function of tracheoles?
A. deliver air directly to insect tissues
B. pumps blood to the body
C. transports dissolved substances
D. carry blood towards the heart
JAMB 2000 Original Practice Pack Page 111Correct Answer: A
Explanation: Tracheoles deliver air directly to insect tissues.
Question 430 Topic: Transport and Respiration Likelihood: Low
Question: Which structure deliver air directly to insect tissues?
A. right atrium
B. tracheoles
C. arteries
D. red blood cells
Correct Answer: B
Explanation: Tracheoles deliver air directly to insect tissues.
Question 431 Topic: Coordination and Control Likelihood: Low
Question: The function of thyroxine is to
A. promotes development of male secondary sexual characteristics
B. promotes growth of body tissues
C. regulates metabolic rate
D. helps maintain pregnancy
Correct Answer: C
Explanation: Thyroxine regulates metabolic rate.
Question 432 Topic: Coordination and Control Likelihood: Low
Question: Which hormone regulates metabolic rate?
A. testosterone
B. thyroxine
C. estrogen
D. growth hormone
Correct Answer: B
Explanation: Thyroxine does this.
Question 433 Topic: Coordination and Control Likelihood: Low
Question: The function of growth hormone is to
A. regulates metabolic rate
B. helps maintain pregnancy
C. promotes development of male secondary sexual characteristics
D. promotes growth of body tissues
Correct Answer: D
Explanation: Growth hormone promotes growth of body tissues.
Question 434 Topic: Coordination and Control Likelihood: Low
Question: Which hormone promotes growth of body tissues?
A. growth hormone
B. testosterone
C. estrogen
D. thyroxine
Correct Answer: A
Explanation: Growth hormone does this.
Question 435 Topic: Coordination and Control Likelihood: Low
Question: The function of progesterone is to
A. helps maintain pregnancy
B. stimulates elongation in plant shoots
C. regulates metabolic rate
D. promotes development of female secondary sexual characteristics
Correct Answer: A
Explanation: Progesterone helps maintain pregnancy.
Question 436 Topic: Coordination and Control Likelihood: Low
Question: Which hormone helps maintain pregnancy?
A. progesterone
B. auxin
C. estrogen
D. testosterone
Correct Answer: A
Explanation: Progesterone does this.
Question 437 Topic: Coordination and Control Likelihood: Low
Question: The function of estrogen is to
A. stimulates elongation in plant shoots
B. helps maintain pregnancy
C. promotes development of female secondary sexual characteristics
D. regulates metabolic rate
Correct Answer: C
Explanation: Estrogen promotes development of female secondary sexual characteristics.
Question 438 Topic: Coordination and Control Likelihood: Low
Question: Which hormone promotes development of female secondary sexual characteristics?
JAMB 2000 Original Practice Pack Page 112A. progesterone
B. estrogen
C. testosterone
D. auxin
Correct Answer: B
Explanation: Estrogen does this.
Question 439 Topic: Coordination and Control Likelihood: Low
Question: The function of testosterone is to
A. promotes development of male secondary sexual characteristics
B. promotes development of female secondary sexual characteristics
C. promotes growth of body tissues
D. regulates metabolic rate
Correct Answer: A
Explanation: Testosterone promotes development of male secondary sexual characteristics.
Question 440 Topic: Coordination and Control Likelihood: Low
Question: Which hormone promotes development of male secondary sexual characteristics?
A. estrogen
B. progesterone
C. testosterone
D. thyroxine
Correct Answer: C
Explanation: Testosterone does this.
Question 441 Topic: Coordination and Control Likelihood: Low
Question: The function of auxin is to
A. stimulates elongation in plant shoots
B. promotes development of male secondary sexual characteristics
C. promotes growth of body tissues
D. promotes development of female secondary sexual characteristics
Correct Answer: A
Explanation: Auxin stimulates elongation in plant shoots.
Question 442 Topic: Coordination and Control Likelihood: Low
Question: Which hormone stimulates elongation in plant shoots?
A. testosterone
B. estrogen
C. thyroxine
D. auxin
Correct Answer: D
Explanation: Auxin does this.
Question 443 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, habitat refers to
A. period of inactivity during cold conditions
B. the place where an organism lives
C. features that help an organism survive
D. period of inactivity during hot dry conditions
Correct Answer: B
Explanation: Habitat means the place where an organism lives.
Question 444 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'the place where an organism lives'?
A. habitat
B. adaptation
C. niche
D. aestivation
Correct Answer: A
Explanation: The correct term is habitat.
Question 445 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, niche refers to
A. the community and its physical environment
B. period of inactivity during cold conditions
C. the role of an organism in its habitat
D. features that help an organism survive
Correct Answer: C
Explanation: Niche means the role of an organism in its habitat.
Question 446 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'the role of an organism in its habitat'?
A. hibernation
B. niche
C. aestivation
D. erosion
Correct Answer: B
JAMB 2000 Original Practice Pack Page 113Explanation: The correct term is niche.
Question 447 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, community refers to
A. wearing away of top soil
B. all the populations living in an area
C. decayed organic matter in soil
D. gradual replacement of one community by another
Correct Answer: B
Explanation: Community means all the populations living in an area.
Question 448 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'all the populations living in an area'?
A. community
B. ecosystem
C. adaptation
D. succession
Correct Answer: A
Explanation: The correct term is community.
Question 449 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, ecosystem refers to
A. the community and its physical environment
B. period of inactivity during cold conditions
C. interconnected food chains
D. features that help an organism survive
Correct Answer: A
Explanation: Ecosystem means the community and its physical environment.
Question 450 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'the community and its physical environment'?
A. ecosystem
B. community
C. erosion
D. aestivation
Correct Answer: A
Explanation: The correct term is ecosystem.
Question 451 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, food web refers to
A. interconnected food chains
B. the role of an organism in its habitat
C. wearing away of top soil
D. features that help an organism survive
Correct Answer: A
Explanation: Food web means interconnected food chains.
Question 452 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'interconnected food chains'?
A. aestivation
B. adaptation
C. food web
D. humus
Correct Answer: C
Explanation: The correct term is food web.
Question 453 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, humus refers to
A. the place where an organism lives
B. all the populations living in an area
C. gradual replacement of one community by another
D. decayed organic matter in soil
Correct Answer: D
Explanation: Humus means decayed organic matter in soil.
Question 454 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'decayed organic matter in soil'?
A. humus
B. ecosystem
C. community
D. food web
Correct Answer: A
Explanation: The correct term is humus.
Question 455 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, erosion refers to
A. interconnected food chains
JAMB 2000 Original Practice Pack Page 114B. wearing away of top soil
C. the place where an organism lives
D. all the populations living in an area
Correct Answer: B
Explanation: Erosion means wearing away of top soil.
Question 456 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'wearing away of top soil'?
A. erosion
B. niche
C. conservation
D. humus
Correct Answer: A
Explanation: The correct term is erosion.
Question 457 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, succession refers to
A. interconnected food chains
B. features that help an organism survive
C. the community and its physical environment
D. gradual replacement of one community by another
Correct Answer: D
Explanation: Succession means gradual replacement of one community by another.
Question 458 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'gradual replacement of one community by another'?
A. humus
B. erosion
C. adaptation
D. succession
Correct Answer: D
Explanation: The correct term is succession.
Question 459 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, conservation refers to
A. wise use and protection of resources
B. gradual replacement of one community by another
C. period of inactivity during cold conditions
D. the community and its physical environment
Correct Answer: A
Explanation: Conservation means wise use and protection of resources.
Question 460 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'wise use and protection of resources'?
A. conservation
B. adaptation
C. ecosystem
D. hibernation
Correct Answer: A
Explanation: The correct term is conservation.
Question 461 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, adaptation refers to
A. period of inactivity during hot dry conditions
B. features that help an organism survive
C. the role of an organism in its habitat
D. all the populations living in an area
Correct Answer: B
Explanation: Adaptation means features that help an organism survive.
Question 462 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'features that help an organism survive'?
A. adaptation
B. erosion
C. aestivation
D. habitat
Correct Answer: A
Explanation: The correct term is adaptation.
Question 463 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, hibernation refers to
A. interconnected food chains
B. period of inactivity during hot dry conditions
C. all the populations living in an area
D. period of inactivity during cold conditions
Correct Answer: D
Explanation: Hibernation means period of inactivity during cold conditions.
JAMB 2000 Original Practice Pack Page 115Question 464 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'period of inactivity during cold conditions'?
A. community
B. hibernation
C. aestivation
D. habitat
Correct Answer: B
Explanation: The correct term is hibernation.
Question 465 Topic: Ecology and Evolution Likelihood: Low
Question: In ecology, aestivation refers to
A. period of inactivity during hot dry conditions
B. period of inactivity during cold conditions
C. features that help an organism survive
D. interconnected food chains
Correct Answer: A
Explanation: Aestivation means period of inactivity during hot dry conditions.
Question 466 Topic: Ecology and Evolution Likelihood: Low
Question: Which ecological term means 'period of inactivity during hot dry conditions'?
A. conservation
B. humus
C. aestivation
D. niche
Correct Answer: C
Explanation: The correct term is aestivation.
Question 467 Topic: Heredity, Variation and Applied Biology Likelihood: Low
Question: The disease malaria is commonly transmitted through
A. air droplets
B. contaminated food or water
C. female Anopheles mosquito
D. cell membrane
Correct Answer: C
Explanation: Malaria is commonly spread through female Anopheles mosquito.
Question 468 Topic: Heredity, Variation and Applied Biology Question: The causative agent of malaria is
A. Plasmodium
B. Salmonella typhi
C. virus
D. cell membrane
Correct Answer: A
Explanation: Malaria is caused by Plasmodium.
Likelihood: Low
Question 469 Topic: Heredity, Variation and Applied Biology Likelihood: Low
Question: The disease sleeping sickness is commonly transmitted through
A. direct contact
B. tsetse fly
C. air droplets
D. freshwater snails
Correct Answer: B
Explanation: Sleeping sickness is commonly spread through tsetse fly.
Question 470 Topic: Heredity, Variation and Applied Biology Question: The causative agent of sleeping sickness is
A. virus
B. Trypanosoma
C. Salmonella typhi
D. Vibrio cholerae
Correct Answer: B
Explanation: Sleeping sickness is caused by Trypanosoma.
Likelihood: Low
Question 471 Topic: Heredity, Variation and Applied Biology Question: The disease cholera is commonly transmitted through
A. air droplets
B. contaminated food or water
C. female Anopheles mosquito
D. contaminated water
Correct Answer: D
Explanation: Cholera is commonly spread through contaminated water.
Likelihood: Low
Question 472 Topic: Heredity, Variation and Applied Biology Question: The causative agent of cholera is
A. Vibrio cholerae
B. virus
C. Plasmodium
Likelihood: Low
JAMB 2000 Original Practice Pack Page 116D. fungus
Correct Answer: A
Explanation: Cholera is caused by Vibrio cholerae.
Question 473 Topic: Heredity, Variation and Applied Biology Question: The disease tuberculosis is commonly transmitted through
A. female Anopheles mosquito
B. air droplets
C. contaminated water
D. contaminated food or water
Correct Answer: B
Explanation: Tuberculosis is commonly spread through air droplets.
Likelihood: Low
Question 474 Topic: Heredity, Variation and Applied Biology Question: The causative agent of tuberculosis is
A. Trypanosoma
B. blood fluke
C. Vibrio cholerae
D. Mycobacterium tuberculosis
Correct Answer: D
Explanation: Tuberculosis is caused by Mycobacterium tuberculosis.
Likelihood: Low
Question 475 Topic: Heredity, Variation and Applied Biology Question: The disease measles is commonly transmitted through
A. air droplets
B. Aedes mosquito
C. freshwater snails
D. direct contact
Correct Answer: A
Explanation: Measles is commonly spread through air droplets.
Likelihood: Low
Question 476 Topic: Heredity, Variation and Applied Biology Question: The causative agent of measles is
A. blood fluke
B. virus
C. Plasmodium
D. Trypanosoma
Correct Answer: B
Explanation: Measles is caused by virus.
Likelihood: Low
Question 477 Topic: Heredity, Variation and Applied Biology Question: The disease ringworm is commonly transmitted through
A. contaminated water
B. air droplets
C. direct contact
D. female Anopheles mosquito
Correct Answer: C
Explanation: Ringworm is commonly spread through direct contact.
Likelihood: Low
Question 478 Topic: Heredity, Variation and Applied Biology Question: The causative agent of ringworm is
A. Trypanosoma
B. fungus
C. virus
D. Plasmodium
Correct Answer: B
Explanation: Ringworm is caused by fungus.
Likelihood: Low
Question 479 Topic: Heredity, Variation and Applied Biology Likelihood: Low
Question: The disease typhoid is commonly transmitted through
A. contaminated food or water
B. contaminated water
C. air droplets
D. Aedes mosquito
Correct Answer: A
Explanation: Typhoid is commonly spread through contaminated food or water.
Question 480 Topic: Heredity, Variation and Applied Biology Question: The causative agent of typhoid is
A. blood fluke
B. Salmonella typhi
C. fungus
D. Plasmodium
Correct Answer: B
Explanation: Typhoid is caused by Salmonella typhi.
Likelihood: Low
JAMB 2000 Original Practice Pack Page 117Question 481 Topic: Heredity, Variation and Applied Biology Likelihood: Low
Question: The disease schistosomiasis is commonly transmitted through
A. contaminated food or water
B. direct contact
C. female Anopheles mosquito
D. freshwater snails
Correct Answer: D
Explanation: Schistosomiasis is commonly spread through freshwater snails.
Question 482 Topic: Heredity, Variation and Applied Biology Question: The causative agent of schistosomiasis is
A. virus
B. fungus
C. Trypanosoma
D. blood fluke
Correct Answer: D
Explanation: Schistosomiasis is caused by blood fluke.
Likelihood: Low
Question 483 Topic: Heredity, Variation and Applied Biology Question: The disease yellow fever is commonly transmitted through
A. Aedes mosquito
B. air droplets
C. tsetse fly
D. contaminated food or water
Correct Answer: A
Explanation: Yellow fever is commonly spread through Aedes mosquito.
Likelihood: Low
Question 484 Topic: Heredity, Variation and Applied Biology Question: The causative agent of yellow fever is
A. blood fluke
B. Salmonella typhi
C. virus
D. Plasmodium
Correct Answer: C
Explanation: Yellow fever is caused by virus.
Likelihood: Low
Question 485 Topic: Heredity, Variation and Applied Biology Likelihood: Low
Question: The disease polio is commonly transmitted through
A. contaminated water
B. contaminated food or water
C. air droplets
D. direct contact
Correct Answer: B
Explanation: Polio is commonly spread through contaminated food or water.
Question 486 Topic: Heredity, Variation and Applied Biology Question: The causative agent of polio is
A. Vibrio cholerae
B. blood fluke
C. Salmonella typhi
D. virus
Correct Answer: D
Explanation: Polio is caused by virus.
Likelihood: Low
Question 487 Topic: Cell Structure and Organization Likelihood: Low
Question: The movement of molecules from a region of low concentration to high concentration using energy is
A. active transport
B. osmosis
C. diffusion
D. translocation
Correct Answer: A
Explanation: Active transport moves substances against a concentration gradient.
Question 488 Topic: Cell Structure and Organization Likelihood: Low
Question: Chromosomes are best seen under the microscope during
A. plasmolysis
B. cell division
C. photosynthesis
D. interphase only
Correct Answer: B
Explanation: They condense and become visible during cell division.
Question 489 Topic: Nutrition Likelihood: Low
Question: The mechanical breakdown of food in the mouth is mainly performed by the
A. teeth
B. salivary gland
C. epiglottis
D. tongue only
JAMB 2000 Original Practice Pack Page 118Correct Answer: A
Explanation: Teeth cut and grind food into smaller pieces.
Question 490 Topic: Transport and Respiration Likelihood: Low
Question: The blood vessel that carries deoxygenated blood from the heart to the lungs is the
A. pulmonary artery
B. aorta
C. pulmonary vein
D. hepatic vein
Correct Answer: A
Explanation: The pulmonary artery carries blood from the right ventricle to the lungs.
Question 491 Topic: Transport and Respiration Likelihood: Low
Question: The main waste gas removed by the lungs is
A. carbon dioxide
B. hydrogen
C. nitrogen
D. oxygen
Correct Answer: A
Explanation: Carbon dioxide is excreted during exhalation.
Question 492 Topic: Excretion, Support and Movement Likelihood: Low
Question: The urinary bladder temporarily stores
A. plasma
B. urine
C. bile
D. lymph
Correct Answer: B
Explanation: Urine is stored in the bladder before excretion.
Question 493 Topic: Excretion, Support and Movement Likelihood: Low
Question: The strong fibrous tissue that connects muscles to bones is the
A. cartilage
B. marrow
C. ligament
D. tendon
Correct Answer: D
Explanation: Tendons connect muscles to bones.
Question 494 Topic: Reproduction and Growth Likelihood: Low
Question: Seeds are dispersed by wind when they are
A. sticky and hard
B. light and possess wings or hairs
C. large and fleshy
D. heavy and rough
Correct Answer: B
Explanation: Such structures help them be carried by air.
Question 495 Topic: Coordination and Control Likelihood: Low
Question: The part of the eye that refracts most incoming light is the
A. cornea
B. optic nerve
C. iris
D. retina
Correct Answer: A
Explanation: The cornea provides much of the eye's focusing power.
Question 496 Topic: Coordination and Control Likelihood: Low
Question: The opening in the center of the iris is the
A. pupil
B. sclera
C. lens
D. retina
Correct Answer: A
Explanation: The pupil is the adjustable opening that admits light.
Question 497 Topic: Ecology and Evolution Likelihood: Low
Question: The presence of cactus spines is an adaptation for
A. attracting pollinators only
B. reducing water loss and protection
C. increasing transpiration
D. absorbing oxygen
Correct Answer: B
Explanation: Spines reduce surface area and help defend the plant.
Question 498 Topic: Heredity, Variation and Applied Biology Question: A person with blood group AB can donate blood to
Likelihood: Low
JAMB 2000 Original Practice Pack Page 119A. A only
B. AB only
C. O only
D. B only
Correct Answer: B
Explanation: AB red cells carry both A and B antigens and are safest for AB recipients.
Question 499 Topic: Variety of Organisms Likelihood: Low
Question: The body of a snail is protected by a
A. cell wall
B. exoskeleton of chitin
C. feather coat
D. shell
Correct Answer: D
Explanation: Snails are molluscs with shells.
Question 500 Topic: Ecology and Evolution Likelihood: Low
Question: An organism that feeds on dead animals is called a
A. producer
B. scavenger
C. parasite
D. autotroph
Correct Answer: B
Explanation: Scavengers feed on dead animal matter.
Chemistry
500 original multiple-choice questions with answers, explanations, topic labels, and likelihood ratings.
Section 1: Most repeated topics
- Atomic structure and periodicity
- Bonding and structure
- Stoichiometry and mole concept
- Acids, bases, and salts
- Redox and electrolysis
- Organic chemistry
- Gas laws and kinetic theory
- Qualitative analysis and solubility
Section 2: This year's likely focus areas
High priority: Mole calculations, Bonding, Acids, bases, and salts, Organic chemistry, Electrolysis
Medium priority: Gas laws, Equilibrium and rates, Metals and non-metals, Qualitative analysis
Low priority: Industrial details, Less frequent oxidation-number traps
Section 3: 500 original questions
Questions are ordered broadly from higher-yield areas to lower-frequency areas within the subject.
JAMB 2000 Original Practice Pack Page 120Question 1 Topic: Separation Techniques Likelihood: High
Question: Which method is most suitable for separating sand from salt in a mixture?
A. sublimation
B. distillation only
C. chromatography
D. dissolve, filter and evaporate
Correct Answer: D
Explanation: Salt dissolves in water while sand does not; filtration and evaporation complete the separation.
Question 2 Topic: Separation Techniques Likelihood: High
Question: Fractional distillation is used to separate
A. insoluble solids from liquids
B. miscible liquids with different boiling points
C. coloured substances on paper
D. magnetic materials from non-magnetic materials
Correct Answer: B
Explanation: Fractional distillation separates liquids with close boiling points.
Question 3 Topic: Separation Techniques Likelihood: High
Question: Chromatography is especially useful for separating
A. oil from water by density alone
B. coloured components of a mixture
C. metals from ores
D. gravel from sand
Correct Answer: B
Explanation: Chromatography separates components that travel at different rates.
Question 4 Topic: Separation Techniques Likelihood: High
Question: A pure substance is expected to have
A. no definite composition
B. different boiling points at different times
C. a fixed melting point
D. two colours
Correct Answer: C
Explanation: Pure substances have fixed melting and boiling points.
Question 5 Topic: Separation Techniques Likelihood: High
Question: The process of converting a solid directly to vapour is
A. filtration
B. evaporation
C. distillation
D. sublimation
Correct Answer: D
Explanation: Sublimation is the direct change from solid to vapour.
Question 6 Topic: Separation Techniques Likelihood: High
Question: The method used to obtain crystals of copper(II) sulfate from its solution is
A. sedimentation
B. decantation
C. filtration only
D. crystallization
Correct Answer: D
Explanation: Crystallization forms solid crystals from a solution.
Question 7 Topic: Separation Techniques Likelihood: High
Question: Decantation is best used when separating
A. magnetic solids
B. a liquid from a settled solid
C. a dissolved salt from water
D. two gases
Correct Answer: B
Explanation: Decantation pours off a liquid after sedimentation.
Question 8 Topic: Separation Techniques Likelihood: High
Question: A separating funnel is used mainly to separate
A. miscible liquids
B. soluble solids
C. immiscible liquids
D. coloured inks
Correct Answer: C
Explanation: Immiscible liquids form layers that can be run off.
Question 9 Topic: Separation Techniques Likelihood: High
Question: An example of a homogeneous mixture is
A. air
B. granite
C. oil and water
D. sand and iron filings
JAMB 2000 Original Practice Pack Page 121Correct Answer: A
Explanation: Air is a uniform mixture of gases.
Question 10 Topic: Separation Techniques Likelihood: High
Question: A suspension can be separated by
A. electrolysis
B. combustion
C. filtration
D. freezing
Correct Answer: C
Explanation: The suspended solid can be trapped by filter paper.
Question 11 Topic: Atomic Structure Likelihood: High
Question: The atomic number of an element is the number of
A. neutrons
B. protons and neutrons
C. protons
D. electrons and neutrons
Correct Answer: C
Explanation: Atomic number equals the number of protons.
Question 12 Topic: Atomic Structure Likelihood: High
Question: Isotopes of an element have the same number of
A. shells filled
B. protons
C. neutrons
D. nucleons
Correct Answer: B
Explanation: Isotopes differ in neutron number but not proton number.
Question 13 Topic: Atomic Structure Likelihood: High
Question: The mass number of an atom is the sum of its
A. protons and electrons
B. electrons and valence electrons
C. neutrons and shells
D. protons and neutrons
Correct Answer: D
Explanation: Mass number counts nucleons.
Question 14 Topic: Atomic Structure Likelihood: High
Question: Electrons occupy regions around the nucleus called
A. shells
B. ions
C. isotopes
D. bonds
Correct Answer: A
Explanation: Electrons are arranged in shells or energy levels.
Question 15 Topic: Atomic Structure Likelihood: High
Question: An atom becomes a cation when it
A. gains neutrons
B. gains electrons
C. loses electrons
D. loses protons
Correct Answer: C
Explanation: Loss of electrons gives a positive charge.
Question 16 Topic: Atomic Structure Likelihood: High
Question: An atom becomes an anion when it
A. gains protons
B. loses electrons
C. gains electrons
D. loses neutrons
Correct Answer: C
Explanation: Gain of electrons gives a negative charge.
Question 17 Topic: Atomic Structure Likelihood: High
Question: The maximum number of electrons in the first shell is
A. 8
B. 2
C. 32
D. 18
Correct Answer: B
Explanation: The K-shell holds a maximum of two electrons.
Question 18 Topic: Atomic Structure Likelihood: High
Question: The valency of sodium is
JAMB 2000 Original Practice Pack Page 122A. 1
B. 2
C. 3
D. 0
Correct Answer: A
Explanation: Sodium loses one electron to form Na+.
Question 19 Topic: Atomic Structure Likelihood: High
Question: An atom with electronic configuration 2,8,7 belongs to
A. sodium
B. chlorine
C. argon
D. magnesium
Correct Answer: B
Explanation: Chlorine has 17 electrons arranged as 2,8,7.
Question 20 Topic: Atomic Structure Likelihood: High
Question: Elements in the same group of the periodic table have the same number of
A. isotopes
B. valence electrons
C. shells
D. neutrons
Correct Answer: B
Explanation: Group properties are determined by outer electrons.
Question 21 Topic: Periodic Table Likelihood: High
Question: Elements in Period 3 of the periodic table have
A. three occupied shells
B. atomic number 3
C. three valence electrons
D. three isotopes each
Correct Answer: A
Explanation: Period number equals the number of electron shells.
Question 22 Topic: Periodic Table Likelihood: High
Question: Group I elements are known as
A. transition metals
B. alkali metals
C. halogens
D. noble gases
Correct Answer: B
Explanation: Group I elements are alkali metals.
Question 23 Topic: Periodic Table Likelihood: High
Question: Group VII elements are known as
A. alkali metals
B. halogens
C. alkaline earth metals
D. noble gases
Correct Answer: B
Explanation: Group VII/17 elements are halogens.
Question 24 Topic: Periodic Table Likelihood: High
Question: The most reactive non-metal in the periodic table is
A. oxygen
B. nitrogen
C. fluorine
D. chlorine
Correct Answer: C
Explanation: Fluorine is the most reactive halogen.
Question 25 Topic: Periodic Table Likelihood: High
Question: The noble gases are generally unreactive because they
A. contain no electrons
B. have one shell each
C. have stable outer electron shells
D. are always liquids
Correct Answer: C
Explanation: Their outer shells are complete.
Question 26 Topic: Chemical Bonding Likelihood: High
Question: Ionic bonding involves
A. sharing of protons
B. transfer of electrons
C. overlapping of nuclei
D. sharing of electrons
Correct Answer: B
JAMB 2000 Original Practice Pack Page 123Explanation: Ionic bonding is formed by electron transfer.
Question 27 Topic: Chemical Bonding Likelihood: High
Question: A covalent bond is formed by
A. sharing electrons
B. gaining neutrons
C. sharing ions
D. losing protons
Correct Answer: A
Explanation: Covalent bonding involves shared electron pairs.
Question 28 Topic: Chemical Bonding Likelihood: High
Question: Sodium chloride is held together by
A. hydrogen bonds
B. metallic attraction only
C. shared electron pairs only
D. electrostatic attraction between oppositely charged ions
Correct Answer: D
Explanation: NaCl is an ionic compound.
Question 29 Topic: Chemical Bonding Likelihood: High
Question: A property of ionic compounds is that they
A. always dissolve in petrol
B. have low melting points
C. conduct electricity when molten
D. are soft and waxy
Correct Answer: C
Explanation: Mobile ions in the molten state conduct electricity.
Question 30 Topic: Chemical Bonding Likelihood: High
Question: A property of covalent substances such as methane is that they
A. conduct electricity strongly in solid state
B. contain mobile ions
C. have relatively low melting and boiling points
D. are all soluble in water
Correct Answer: C
Explanation: Simple molecular covalent substances often have low boiling points.
Question 31 Topic: Chemical Bonding Likelihood: High
Question: The bond present in hydrogen molecules is
A. double covalent bond
B. ionic bond
C. metallic bond
D. single covalent bond
Correct Answer: D
Explanation: Two hydrogen atoms share one pair of electrons.
Question 32 Topic: Chemical Bonding Likelihood: High
Question: The substance with metallic bonding among the following is
A. carbon dioxide
B. copper
C. water
D. chlorine
Correct Answer: B
Explanation: Metals exhibit metallic bonding.
Question 33 Topic: Chemical Combination and Stoichiometry Likelihood: High
Question: The mole is defined as the amount of substance containing
A. one kilogram of atoms
B. one dozen particles
C. Avogadro's number of particles
D. one proton
Correct Answer: C
Explanation: One mole contains 6.02 x 10^23 particles.
Question 34 Topic: Chemical Combination and Stoichiometry Likelihood: High
Question: The relative molecular mass of H2O is
A. 20
B. 16
C. 18
D. 17
Correct Answer: C
Explanation: Water has mass 2(1) + 16 = 18.
Question 35 Topic: Chemical Combination and Stoichiometry Likelihood: High
Question: The relative molecular mass of CO2 is
A. 48
JAMB 2000 Original Practice Pack Page 124B. 28
C. 32
D. 44
Correct Answer: D
Explanation: CO2 has mass 12 + 2(16) = 44.
Question 36 Topic: Chemical Combination and Stoichiometry Likelihood: High
Question: One mole of oxygen molecules contains
A. 6.02 x 10^23 atoms
B. 3.01 x 10^23 molecules
C. 1 molecule
D. 6.02 x 10^23 molecules
Correct Answer: D
Explanation: One mole contains Avogadro's number of particles.
Question 37 Topic: Chemical Combination and Stoichiometry Likelihood: High
Question: At room temperature and pressure, one mole of a gas occupies about
A. 12 dm3
B. 24 dm3
C. 1 dm3
D. 48 dm3
Correct Answer: B
Explanation: The molar volume of a gas at r.t.p. is about 24 dm3.
Question 38 Topic: Chemical Combination and Stoichiometry Likelihood: High
Question: The number of moles in 36 g of water is
A. 3
B. 2
C. 4
D. 1
Correct Answer: B
Explanation: Moles = 36/18 = 2.
Question 39 Topic: Chemical Combination and Stoichiometry Likelihood: High
Question: The number of moles in 22 g of carbon dioxide is
A. 0.5
B. 0.25
C. 2.0
D. 1.0
Correct Answer: A
Explanation: Moles = 22/44 = 0.5.
Question 40 Topic: Chemical Combination and Stoichiometry Likelihood: High
Question: The mass of 0.5 mole of sodium chloride, NaCl, is
A. 29.25 g
B. 117 g
C. 14.6 g
D. 58.5 g
Correct Answer: A
Explanation: Molar mass of NaCl is 58.5 g/mol, so 0.5 mol weighs 29.25 g.
Question 41 Topic: Kinetic Theory and Gas Laws Likelihood: High
Question: According to Boyle's law, pressure is inversely proportional to volume at constant
A. mass
B. temperature
C. density
D. colour
Correct Answer: B
Explanation: Boyle's law holds when temperature is constant.
Question 42 Topic: Kinetic Theory and Gas Laws Likelihood: High
Question: Charles' law states that volume of a fixed mass of gas is directly proportional to absolute temperature at constant
A. pressure
B. density
C. mole number
D. mass
Correct Answer: A
Explanation: Charles' law is V proportional to T at constant pressure.
Question 43 Topic: Kinetic Theory and Gas Laws Question: A gas exerts pressure because its molecules
A. dissolve the container
B. have massless particles
C. collide with the walls of the container
D. remain stationary
Correct Answer: C
Explanation: Molecular collisions cause gas pressure.
Likelihood: High
JAMB 2000 Original Practice Pack Page 125Question 44 Topic: Kinetic Theory and Gas Laws Likelihood: High
Question: Increasing the temperature of a gas generally causes the gas molecules to
A. move faster
B. stop colliding
C. lose all energy
D. become heavier
Correct Answer: A
Explanation: Temperature increases average kinetic energy.
Question 45 Topic: Acids, Bases and Salts Likelihood: High
Question: An acid turns blue litmus paper
A. yellow
B. red
C. white
D. green
Correct Answer: B
Explanation: Acids turn blue litmus red.
Question 46 Topic: Acids, Bases and Salts Likelihood: High
Question: A base turns red litmus paper
A. green
B. blue
C. white
D. yellow
Correct Answer: B
Explanation: Bases turn red litmus blue.
Question 47 Topic: Acids, Bases and Salts Likelihood: High
Question: The pH of a neutral solution at 25°C is
A. 1
B. 0
C. 14
D. 7
Correct Answer: D
Explanation: A neutral solution has pH 7.
Question 48 Topic: Acids, Bases and Salts Likelihood: High
Question: Hydrochloric acid reacts with sodium hydroxide to produce
A. ammonia and water
B. salt and water
C. hydrogen and chlorine
D. oxygen and water
Correct Answer: B
Explanation: This is a neutralization reaction.
Question 49 Topic: Acids, Bases and Salts Likelihood: High
Question: A salt formed from a strong acid and a weak base usually has a
A. acidic solution
B. neutral solution
C. alkaline solution
D. radioactive solution
Correct Answer: A
Explanation: Such salts hydrolyze to give acidic solutions.
Question 50 Topic: Acids, Bases and Salts Likelihood: High
Question: The indicator phenolphthalein is
A. pink in acid and colourless in alkali
B. red in acid and blue in alkali
C. colourless in acid and pink in alkali
D. blue in acid and colourless in alkali
Correct Answer: C
Explanation: Phenolphthalein turns pink in alkaline solution.
Question 51 Topic: Solubility Likelihood: High
Question: A solution that contains as much solute as it can hold at a given temperature is
A. saturated
B. dilute only
C. neutral
D. unsaturated
Correct Answer: A
Explanation: A saturated solution cannot dissolve more solute at that temperature.
Question 52 Topic: Solubility Likelihood: High
Question: The solubility of most solid solutes in water generally
A. decreases with temperature always
B. increases with temperature
C. becomes zero
JAMB 2000 Original Practice Pack Page 126D. remains constant always
Correct Answer: B
Explanation: Many solids dissolve more as temperature rises.
Question 53 Topic: Solubility Likelihood: High
Question: When crystals form from a hot saturated solution on cooling, the process is
A. electrolysis
B. polymerization
C. crystallization
D. neutralization
Correct Answer: C
Explanation: Cooling reduces solubility and crystals form.
Question 54 Topic: Redox Likelihood: High
Question: Oxidation can be defined as
A. gain of electrons
B. gain of hydrogen
C. loss of electrons
D. loss of oxygen
Correct Answer: C
Explanation: In electron terms, oxidation is loss of electrons.
Question 55 Topic: Redox Likelihood: High
Question: Reduction can be defined as
A. gain of electrons
B. loss of electrons
C. loss of hydrogen
D. gain of oxygen
Correct Answer: A
Explanation: Reduction is gain of electrons.
Question 56 Topic: Redox Likelihood: High
Question: An oxidizing agent is a substance that
A. causes reduction by donating oxygen
B. always contains oxygen
C. causes oxidation by accepting electrons
D. loses electrons only
Correct Answer: C
Explanation: An oxidizing agent is itself reduced.
Question 57 Topic: Electrolysis Likelihood: High
Question: The positive electrode in electrolysis is the
A. cathode
B. salt bridge
C. electrolyte
D. anode
Correct Answer: D
Explanation: The anode is the positive electrode in an electrolytic cell.
Question 58 Topic: Electrolysis Likelihood: High
Question: The negative electrode in electrolysis is the
A. electrolyte
B. wire gauze
C. anode
D. cathode
Correct Answer: D
Explanation: The cathode is the negative electrode.
Question 59 Topic: Electrolysis Likelihood: High
Question: During electrolysis, cations move to the
A. cathode
B. air
C. anode
D. salt bridge
Correct Answer: A
Explanation: Positive ions are attracted to the cathode.
Question 60 Topic: Electrolysis Likelihood: High
Question: During electrolysis of acidified water, hydrogen is produced at the
A. electrolyte surface
B. anode
C. wire
D. cathode
Correct Answer: D
Explanation: Hydrogen ions gain electrons at the cathode.
JAMB 2000 Original Practice Pack Page 127Question 61 Topic: Rates of Reaction and Equilibrium Question: A catalyst speeds up a reaction by
A. changing the equilibrium constant
B. increasing the mass of products
C. lowering the activation energy
D. being used up permanently
Correct Answer: C
Explanation: Catalysts provide an easier reaction pathway.
Likelihood: High
Question 62 Topic: Rates of Reaction and Equilibrium Question: An increase in temperature usually
A. reduces particle energy
B. stops all collisions
C. increases the rate of reaction
D. prevents mixing
Correct Answer: C
Explanation: Higher temperature increases effective collisions.
Likelihood: High
Question 63 Topic: Rates of Reaction and Equilibrium Question: Dynamic equilibrium is attained when
A. the forward and reverse reactions occur at equal rates
B. temperature is zero
C. the reactants are completely used up
D. the catalyst is removed
Correct Answer: A
Explanation: At equilibrium, reaction rates are equal.
Likelihood: High
Question 64 Topic: Air, Water and Hydrogen Likelihood: High
Question: The most abundant gas in air is
A. nitrogen
B. oxygen
C. argon
D. carbon dioxide
Correct Answer: A
Explanation: Nitrogen makes up about 78% of air.
Question 65 Topic: Air, Water and Hydrogen Likelihood: High
Question: The gas responsible for the greenhouse effect among the following is
A. helium
B. carbon dioxide
C. argon
D. nitrogen
Correct Answer: B
Explanation: Carbon dioxide traps heat in the atmosphere.
Question 66 Topic: Air, Water and Hydrogen Likelihood: High
Question: Hydrogen is commonly prepared in the laboratory by reacting dilute acid with
A. silver
B. zinc
C. graphite
D. gold
Correct Answer: B
Explanation: Zinc reacts with dilute acids to produce hydrogen.
Question 67 Topic: Air, Water and Hydrogen Likelihood: High
Question: The test for hydrogen gas is that it
A. rekindles a glowing splint
B. turns limewater milky
C. turns blue litmus red
D. burns with a pop sound
Correct Answer: D
Explanation: Hydrogen ignites with a squeaky pop.
Question 68 Topic: Non-Metals and Their Compounds Likelihood: High
Question: The allotropes of carbon include
A. iron and steel
B. sodium and potassium
C. diamond and graphite
D. chlorine and bromine
Correct Answer: C
Explanation: Diamond and graphite are different forms of carbon.
Question 69 Topic: Non-Metals and Their Compounds Likelihood: High
Question: Diamond is hard because
A. it is a liquid
B. it contains metallic bonds
C. it has a giant covalent structure
D. it is made of ions
JAMB 2000 Original Practice Pack Page 128Correct Answer: C
Explanation: Strong covalent bonds extend throughout the lattice.
Question 70 Topic: Non-Metals and Their Compounds Likelihood: High
Question: Graphite conducts electricity because it
A. contains sodium ions
B. melts easily
C. is an ionic compound
D. has delocalized electrons
Correct Answer: D
Explanation: Free electrons move through graphite.
Question 71 Topic: Non-Metals and Their Compounds Likelihood: High
Question: Sulfur is used in the manufacture of
A. sulfuric acid
B. ammonia only
C. sodium chloride
D. calcium oxide
Correct Answer: A
Explanation: Sulfur is a major raw material in sulfuric acid production.
Question 72 Topic: Non-Metals and Their Compounds Likelihood: High
Question: Chlorine is commonly used to
A. soften iron
B. sweeten food
C. color plastics
D. sterilize water
Correct Answer: D
Explanation: Chlorine kills harmful microorganisms in water.
Question 73 Topic: Metals and Their Compounds Likelihood: High
Question: Rusting of iron requires
A. nitrogen and oxygen
B. water only
C. oxygen and water
D. carbon dioxide only
Correct Answer: C
Explanation: Moisture and oxygen are both needed for rusting.
Question 74 Topic: Metals and Their Compounds Likelihood: High
Question: Galvanization prevents rusting by coating iron with
A. copper
B. lead
C. zinc
D. silver
Correct Answer: C
Explanation: Zinc protects iron from corrosion.
Question 75 Topic: Metals and Their Compounds Likelihood: High
Question: Bauxite is the chief ore of
A. zinc
B. aluminium
C. copper
D. iron
Correct Answer: B
Explanation: Aluminium is extracted from bauxite.
Question 76 Topic: Metals and Their Compounds Likelihood: High
Question: Limestone is mainly calcium
A. oxide
B. nitrate
C. chloride
D. carbonate
Correct Answer: D
Explanation: Limestone is calcium carbonate.
Question 77 Topic: Metals and Their Compounds Likelihood: High
Question: Quicklime is calcium
A. carbonate
B. hydroxide
C. chloride
D. oxide
Correct Answer: D
Explanation: Heating limestone forms calcium oxide.
Question 78 Topic: Organic Chemistry Likelihood: High
Question: The simplest hydrocarbon is
JAMB 2000 Original Practice Pack Page 129A. methane
B. ethanoic acid
C. ethene
D. ethanol
Correct Answer: A
Explanation: Methane, CH4, is the simplest hydrocarbon.
Question 79 Topic: Organic Chemistry Likelihood: High
Question: Alkanes are hydrocarbons that contain
A. triple bonds only
B. single bonds only
C. double bonds only
D. ionic bonds
Correct Answer: B
Explanation: Alkanes are saturated hydrocarbons.
Question 80 Topic: Organic Chemistry Likelihood: High
Question: Ethene belongs to the homologous series of
A. alkanes
B. alkanols
C. alkynes
D. alkenes
Correct Answer: D
Explanation: Ethene contains a carbon-carbon double bond.
Question 81 Topic: Organic Chemistry Likelihood: High
Question: The functional group of alcohols is
A. -NH2
B. -COOH
C. -CHO
D. -OH
Correct Answer: D
Explanation: Alcohols contain the hydroxyl group.
Question 82 Topic: Organic Chemistry Likelihood: High
Question: The functional group of carboxylic acids is
A. -COOH
B. -Cl
C. -OH
D. -CHO
Correct Answer: A
Explanation: Carboxylic acids contain the carboxyl group.
Question 83 Topic: Organic Chemistry Likelihood: High
Question: Ethanoic acid is commonly known as
A. sulfuric acid
B. acetic acid
C. citric acid
D. formic acid
Correct Answer: B
Explanation: Ethanoic acid is acetic acid.
Question 84 Topic: Organic Chemistry Likelihood: High
Question: Fermentation of sugar by yeast produces
A. ethanoic acid only
B. ethanol and carbon dioxide
C. methane and oxygen
D. hydrogen and chlorine
Correct Answer: B
Explanation: Yeast fermentation yields ethanol and carbon dioxide.
Question 85 Topic: Organic Chemistry Likelihood: High
Question: Addition polymerization commonly occurs with
A. salts
B. alkanes
C. alkenes
D. alkanoic acids
Correct Answer: C
Explanation: Alkenes polymerize by addition across the double bond.
Question 86 Topic: Organic Chemistry Likelihood: High
Question: The product of complete combustion of hydrocarbons includes
A. carbon monoxide and hydrogen only
B. ethene and water
C. methane and oxygen
D. carbon dioxide and water
Correct Answer: D
JAMB 2000 Original Practice Pack Page 130Explanation: Complete combustion produces carbon dioxide and water.
Question 87 Topic: Organic Chemistry Likelihood: High
Question: Soap is generally prepared by
A. polymerization of ethene
B. alkaline hydrolysis of fats and oils
C. oxidation of sugars
D. fractional distillation of petrol
Correct Answer: B
Explanation: This process is called saponification.
Question 88 Topic: Gas Laws and Laboratory Tests Question: The confirmatory test for hydrogen is that it
A. turns damp red litmus paper blue
B. decolorizes acidified potassium tetraoxomanganate(VII)
C. turns limewater milky
D. burns with a pop sound
Correct Answer: D
Explanation: Hydrogen burns with a pop sound.
Likelihood: High
Question 89 Topic: Gas Laws and Laboratory Tests Question: The confirmatory test for oxygen is that it
A. rekindles a glowing splint
B. decolorizes acidified potassium tetraoxomanganate(VII)
C. turns limewater milky
D. burns with a pop sound
Correct Answer: A
Explanation: Oxygen rekindles a glowing splint.
Likelihood: High
Question 90 Topic: Gas Laws and Laboratory Tests Question: The confirmatory test for carbon dioxide is that it
A. burns with a pop sound
B. bleaches damp litmus paper
C. rekindles a glowing splint
D. turns limewater milky
Correct Answer: D
Explanation: Carbon dioxide turns limewater milky.
Likelihood: High
Question 91 Topic: Gas Laws and Laboratory Tests Question: The confirmatory test for ammonia is that it
A. bleaches damp litmus paper
B. turns damp red litmus paper blue
C. turns limewater milky
D. burns with a pop sound
Correct Answer: B
Explanation: Ammonia turns damp red litmus paper blue.
Likelihood: High
Question 92 Topic: Gas Laws and Laboratory Tests Question: The confirmatory test for chlorine is that it
A. bleaches damp litmus paper
B. rekindles a glowing splint
C. burns with a pop sound
D. turns damp red litmus paper blue
Correct Answer: A
Explanation: Chlorine bleaches damp litmus paper.
Likelihood: High
Question 93 Topic: Gas Laws and Laboratory Tests Likelihood: High
Question: The confirmatory test for sulfur dioxide is that it
A. decolorizes acidified potassium tetraoxomanganate(VII)
B. turns limewater milky
C. burns with a pop sound
D. rekindles a glowing splint
Correct Answer: A
Explanation: Sulfur dioxide decolorizes acidified potassium tetraoxomanganate(VII).
Question 94 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of sodium chloride is
A. C2H5OH
B. H2SO4
C. NaCl
D. CH3COOH
Correct Answer: C
Explanation: The formula of sodium chloride is NaCl.
Question 95 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of magnesium oxide is
A. SO3
JAMB 2000 Original Practice Pack Page 131B. Na2CO3
C. Ca(OH)2
D. MgO
Correct Answer: D
Explanation: The formula of magnesium oxide is MgO.
Question 96 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of calcium chloride is
A. CaCl2
B. C2H4
C. CaCO3
D. SO2
Correct Answer: A
Explanation: The formula of calcium chloride is CaCl2.
Question 97 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of aluminium oxide is
A. MgO
B. NH3
C. SO3
D. Al2O3
Correct Answer: D
Explanation: The formula of aluminium oxide is Al2O3.
Question 98 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of carbon dioxide is
A. MgO
B. NaOH
C. CH4
D. CO2
Correct Answer: D
Explanation: The formula of carbon dioxide is CO2.
Question 99 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of sulfur dioxide is
A. NaOH
B. C2H5OH
C. MgO
D. SO2
Correct Answer: D
Explanation: The formula of sulfur dioxide is SO2.
Question 100 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of sulfur trioxide is
A. NH3
B. SO3
C. Ca(OH)2
D. CaCO3
Correct Answer: B
Explanation: The formula of sulfur trioxide is SO3.
Question 101 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of ammonia is
A. HNO3
B. Al2O3
C. NH3
D. H2SO4
Correct Answer: C
Explanation: The formula of ammonia is NH3.
Question 102 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of methane is
A. CH4
B. CaCO3
C. CH3COOH
D. NaOH
Correct Answer: A
Explanation: The formula of methane is CH4.
Question 103 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of ethanol is
A. NaOH
B. H2SO4
C. C2H5OH
D. CaCO3
Correct Answer: C
Explanation: The formula of ethanol is C2H5OH.
JAMB 2000 Original Practice Pack Page 132Question 104 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of ethene is
A. SO3
B. C2H5OH
C. C2H4
D. NH3
Correct Answer: C
Explanation: The formula of ethene is C2H4.
Question 105 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of ethanoic acid is
A. CaCO3
B. CH3COOH
C. NaOH
D. CO2
Correct Answer: B
Explanation: The formula of ethanoic acid is CH3COOH.
Question 106 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of sodium hydroxide is
A. CaCl2
B. NaOH
C. CuSO4
D. SO3
Correct Answer: B
Explanation: The formula of sodium hydroxide is NaOH.
Question 107 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of calcium hydroxide is
A. Ca(OH)2
B. C2H4
C. CaCl2
D. MgO
Correct Answer: A
Explanation: The formula of calcium hydroxide is Ca(OH)2.
Question 108 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of nitric acid is
A. MgO
B. HNO3
C. C2H4
D. Na2CO3
Correct Answer: B
Explanation: The formula of nitric acid is HNO3.
Question 109 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of sulfuric acid is
A. NH3
B. Ca(OH)2
C. H2SO4
D. C2H5OH
Correct Answer: C
Explanation: The formula of sulfuric acid is H2SO4.
Question 110 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of hydrochloric acid is
A. CH4
B. HCl
C. CaCl2
D. NaOH
Correct Answer: B
Explanation: The formula of hydrochloric acid is HCl.
Question 111 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of sodium carbonate is
A. HCl
B. NH3
C. Na2CO3
D. CaCO3
Correct Answer: C
Explanation: The formula of sodium carbonate is Na2CO3.
Question 112 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of calcium carbonate is
A. CaCO3
B. CH3COOH
C. Na2CO3
JAMB 2000 Original Practice Pack Page 133D. Ca(OH)2
Correct Answer: A
Explanation: The formula of calcium carbonate is CaCO3.
Question 113 Topic: Formulae and Nomenclature Likelihood: High
Question: The chemical formula of copper(II) sulfate is
A. HNO3
B. MgO
C. CuSO4
D. CO2
Correct Answer: C
Explanation: The formula of copper(II) sulfate is CuSO4.
Question 114 Topic: Reactions and Processes Likelihood: High
Question: Burning magnesium in air is an example of
A. double decomposition
B. neutralization
C. combination reaction
D. decomposition reaction
Correct Answer: C
Explanation: Magnesium combines with oxygen to form magnesium oxide.
Question 115 Topic: Reactions and Processes Likelihood: High
Question: Heating calcium carbonate to form calcium oxide and carbon dioxide is a
A. thermal decomposition reaction
B. precipitation reaction
C. neutralization reaction
D. combination reaction
Correct Answer: A
Explanation: One compound breaks down on heating.
Question 116 Topic: Reactions and Processes Likelihood: High
Question: Reaction between hydrochloric acid and sodium hydroxide is a
A. polymerization reaction
B. displacement reaction
C. electrolysis
D. neutralization reaction
Correct Answer: D
Explanation: Acid plus base gives salt and water.
Question 117 Topic: Reactions and Processes Likelihood: High
Question: Reaction of zinc with copper(II) sulfate solution is a
A. displacement reaction
B. combustion reaction
C. neutralization reaction
D. esterification reaction
Correct Answer: A
Explanation: Zinc displaces copper from its salt.
Question 118 Topic: Reactions and Processes Likelihood: High
Question: Formation of an insoluble solid when two solutions are mixed is called
A. sublimation
B. dissociation
C. combustion
D. precipitation
Correct Answer: D
Explanation: A precipitate is an insoluble solid.
Question 119 Topic: Reactions and Processes Likelihood: High
Question: Cracking of long-chain hydrocarbons produces
A. salts
B. smaller hydrocarbons
C. only carbon dioxide
D. only water
Correct Answer: B
Explanation: Cracking breaks large molecules into smaller ones.
Question 120 Topic: Reactions and Processes Likelihood: High
Question: Hydrogenation of ethene produces
A. ethyne
B. ethanol
C. ethanoic acid
D. ethane
Correct Answer: D
Explanation: Hydrogen adds across the double bond.
JAMB 2000 Original Practice Pack Page 134Question 121 Topic: Reactions and Processes Likelihood: High
Question: The reaction of an acid with a carbonate produces salt, water and
A. carbon dioxide
B. oxygen
C. ammonia
D. chlorine
Correct Answer: A
Explanation: Acid-carbonate reactions release carbon dioxide.
Question 122 Topic: Reactions and Processes Likelihood: High
Question: Combustion of a hydrocarbon in limited air tends to form
A. hydrogen peroxide
B. carbon monoxide
C. sodium chloride
D. nitrogen dioxide
Correct Answer: B
Explanation: Incomplete combustion produces carbon monoxide.
Question 123 Topic: Reactions and Processes Likelihood: High
Question: The sweet-smelling product formed from an alcohol and a carboxylic acid is an
A. alkene
B. soap
C. alkali
D. ester
Correct Answer: D
Explanation: Esterification forms an ester and water.
Question 124 Topic: Stoichiometry Likelihood: High
Question: The molar mass of O2 is
A. 32
B. 30
C. 34
D. 36
Correct Answer: A
Explanation: The molar mass of O2 is 32.
Question 125 Topic: Stoichiometry Likelihood: High
Question: The molar mass of N2 is
A. 28
B. 26
C. 30
D. 32
Correct Answer: A
Explanation: The molar mass of N2 is 28.
Question 126 Topic: Stoichiometry Likelihood: High
Question: The molar mass of NH3 is
A. 17
B. 15
C. 21
D. 19
Correct Answer: A
Explanation: The molar mass of NH3 is 17.
Question 127 Topic: Stoichiometry Likelihood: High
Question: The molar mass of NaOH is
A. 40
B. 44
C. 42
D. 38
Correct Answer: A
Explanation: The molar mass of NaOH is 40.
Question 128 Topic: Stoichiometry Likelihood: High
Question: The molar mass of CaCO3 is
A. 102
B. 100
C. 98
D. 104
Correct Answer: B
Explanation: The molar mass of CaCO3 is 100.
Question 129 Topic: Stoichiometry Likelihood: High
Question: The molar mass of H2SO4 is
A. 98
B. 102
C. 100
D. 96
JAMB 2000 Original Practice Pack Page 135Correct Answer: A
Explanation: The molar mass of H2SO4 is 98.
Question 130 Topic: Stoichiometry Likelihood: High
Question: The molar mass of HNO3 is
A. 67
B. 65
C. 63
D. 61
Correct Answer: C
Explanation: The molar mass of HNO3 is 63.
Question 131 Topic: Stoichiometry Likelihood: High
Question: The molar mass of Na2CO3 is
A. 108
B. 110
C. 104
D. 106
Correct Answer: D
Explanation: The molar mass of Na2CO3 is 106.
Question 132 Topic: Stoichiometry Likelihood: High
Question: The molar mass of Ca(OH)2 is
A. 74
B. 78
C. 76
D. 72
Correct Answer: A
Explanation: The molar mass of Ca(OH)2 is 74.
Question 133 Topic: Stoichiometry Likelihood: High
Question: The molar mass of CH4 is
A. 18
B. 14
C. 16
D. 20
Correct Answer: C
Explanation: The molar mass of CH4 is 16.
Question 134 Topic: Stoichiometry Likelihood: High
Question: The molar mass of C2H6 is
A. 28
B. 30
C. 34
D. 32
Correct Answer: B
Explanation: The molar mass of C2H6 is 30.
Question 135 Topic: Stoichiometry Likelihood: High
Question: The molar mass of C2H4 is
A. 26
B. 32
C. 30
D. 28
Correct Answer: D
Explanation: The molar mass of C2H4 is 28.
Question 136 Topic: Stoichiometry Likelihood: High
Question: The molar mass of C2H5OH is
A. 50
B. 46
C. 44
D. 48
Correct Answer: B
Explanation: The molar mass of C2H5OH is 46.
Question 137 Topic: Stoichiometry Likelihood: High
Question: The molar mass of CuSO4 is
A. 160
B. 164
C. 158
D. 162
Correct Answer: A
Explanation: The molar mass of CuSO4 is 160.
Question 138 Topic: Stoichiometry Likelihood: High
Question: The molar mass of MgO is
JAMB 2000 Original Practice Pack Page 136A. 42
B. 38
C. 44
D. 40
Correct Answer: D
Explanation: The molar mass of MgO is 40.
Question 139 Topic: Stoichiometry Likelihood: High
Question: The molar mass of CO is
A. 32
B. 28
C. 26
D. 30
Correct Answer: B
Explanation: The molar mass of CO is 28.
Question 140 Topic: Stoichiometry Likelihood: High
Question: The molar mass of SO2 is
A. 66
B. 68
C. 64
D. 62
Correct Answer: C
Explanation: The molar mass of SO2 is 64.
Question 141 Topic: Stoichiometry Likelihood: High
Question: The molar mass of SO3 is
A. 80
B. 78
C. 84
D. 82
Correct Answer: A
Explanation: The molar mass of SO3 is 80.
Question 142 Topic: Stoichiometry Likelihood: High
Question: The molar mass of HCl is
A. 34.5
B. 38.5
C. 36.5
D. 40.5
Correct Answer: C
Explanation: The molar mass of HCl is 36.5.
Question 143 Topic: Stoichiometry Likelihood: High
Question: The molar mass of NaCl is
A. 60.5
B. 56.5
C. 58.5
D. 62.5
Correct Answer: C
Explanation: The molar mass of NaCl is 58.5.
Question 144 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 9 g of water?
A. 0.5
B. 1.5
C. 1
D. 0.25
Correct Answer: A
Explanation: Moles = mass / molar mass = 9/18 = 0.5.
Question 145 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 88 g of carbon dioxide?
A. 3
B. 4
C. 1
D. 2
Correct Answer: D
Explanation: Moles = mass / molar mass = 88/44 = 2.
Question 146 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 16 g of oxygen?
A. 1
B. 0.5
C. 1.5
D. 0.25
Correct Answer: B
JAMB 2000 Original Practice Pack Page 137Explanation: Moles = mass / molar mass = 16/32 = 0.5.
Question 147 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 20 g of sodium hydroxide?
A. 0.5
B. 1.5
C. 0.25
D. 1
Correct Answer: A
Explanation: Moles = mass / molar mass = 20/40 = 0.5.
Question 148 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 50 g of calcium carbonate?
A. 1
B. 1.5
C. 0.5
D. 0.25
Correct Answer: C
Explanation: Moles = mass / molar mass = 50/100 = 0.5.
Question 149 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 73 g of hydrochloric acid?
A. 3
B. 4
C. 2
D. 1
Correct Answer: C
Explanation: Moles = mass / molar mass = 73/36.5 = 2.
Question 150 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 34 g of ammonia?
A. 4
B. 2
C. 1
D. 3
Correct Answer: B
Explanation: Moles = mass / molar mass = 34/17 = 2.
Question 151 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 8 g of methane?
A. 1
B. 0.25
C. 0.5
D. 1.5
Correct Answer: C
Explanation: Moles = mass / molar mass = 8/16 = 0.5.
Question 152 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 23 g of ethanol?
A. 0.5
B. 1
C. 1.5
D. 0.25
Correct Answer: A
Explanation: Moles = mass / molar mass = 23/46 = 0.5.
Question 153 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 80 g of magnesium oxide?
A. 3
B. 1
C. 4
D. 2
Correct Answer: D
Explanation: Moles = mass / molar mass = 80/40 = 2.
Question 154 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 117 g of sodium chloride?
A. 1
B. 3
C. 4
D. 2
Correct Answer: D
Explanation: Moles = mass / molar mass = 117/58.5 = 2.
Question 155 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 31.5 g of nitric acid?
A. 0.5
JAMB 2000 Original Practice Pack Page 138B. 1.5
C. 1
D. 0.25
Correct Answer: A
Explanation: Moles = mass / molar mass = 31.5/63 = 0.5.
Question 156 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 49 g of sulfuric acid?
A. 0.5
B. 1.5
C. 0.25
D. 1
Correct Answer: A
Explanation: Moles = mass / molar mass = 49/98 = 0.5.
Question 157 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 80 g of copper(II) sulfate?
A. 0.25
B. 1.5
C. 0.5
D. 1
Correct Answer: C
Explanation: Moles = mass / molar mass = 80/160 = 0.5.
Question 158 Topic: Stoichiometry Likelihood: High
Question: How many moles are present in 32 g of sulfur dioxide?
A. 1
B. 0.25
C. 1.5
D. 0.5
Correct Answer: D
Explanation: Moles = mass / molar mass = 32/64 = 0.5.
Question 159 Topic: Electrolysis Likelihood: High
Question: During electrolysis of molten sodium chloride, the product at the cathode is
A. hydrogen
B. sodium
C. oxygen
D. nitrogen
Correct Answer: B
Explanation: The cathode product is sodium.
Question 160 Topic: Electrolysis Likelihood: High
Question: During electrolysis of molten sodium chloride, the product at the anode is
A. oxygen not discharged due to active electrode
B. oxygen
C. bromine
D. chlorine
Correct Answer: D
Explanation: The anode product is chlorine.
Question 161 Topic: Electrolysis Likelihood: High
Question: During electrolysis of acidified water, the product at the cathode is
A. lead
B. hydrogen
C. copper
D. sodium
Correct Answer: B
Explanation: The cathode product is hydrogen.
Question 162 Topic: Electrolysis Likelihood: High
Question: During electrolysis of acidified water, the product at the anode is
A. oxygen not discharged due to active electrode
B. oxygen
C. chlorine
D. bromine
Correct Answer: B
Explanation: The anode product is oxygen.
Question 163 Topic: Electrolysis Likelihood: High
Question: During electrolysis of copper(II) sulfate using copper electrodes, the product at the cathode is
A. lead
B. copper
C. sodium
D. hydrogen
Correct Answer: B
Explanation: The cathode product is copper.
JAMB 2000 Original Practice Pack Page 139Question 164 Topic: Electrolysis Likelihood: High
Question: During electrolysis of copper(II) sulfate using copper electrodes, the product at the anode is
A. chlorine
B. oxygen
C. bromine
D. oxygen not discharged due to active electrode
Correct Answer: D
Explanation: The anode product is oxygen not discharged due to active electrode.
Question 165 Topic: Electrolysis Likelihood: High
Question: During electrolysis of concentrated sodium chloride solution, the product at the cathode is
A. hydrogen
B. sodium
C. copper
D. lead
Correct Answer: A
Explanation: The cathode product is hydrogen.
Question 166 Topic: Electrolysis Likelihood: High
Question: During electrolysis of concentrated sodium chloride solution, the product at the anode is
A. oxygen