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Biology Past Questions

Study and practice Biology past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

110 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

110 questions

Question 1 of 20 110 total questions

Question 31

jamb 1995

The part labelled X is the

Aaxon

Bcell body

Cterminal dendrites

Dsynapse

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Question 32

jamb 1995

The diagram represents

Asensory neurone

Brelay neurone

Cafferent neurone

Dmotor neurone

View Explanation & Discuss

Question 33

jamb 1995

From which group of animals are the mammals generally believed to have most recently evolved?

AReptiles

BFish

CAmphibians

DBirds

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Question 34

jamb 1995

The least evidence in support of the theory of evolution is provided by the study of

Aanatomy

Becology

Cgeology

Dembryology

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Question 35

jamb 1995

The colour of the ventral surface of a fish is lighter than that of the dorsal. This is mainly

Aan adaptation for movement

Ban adaptation for camouflage

Cfor attracting mates

Dfor regulating body temperature

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Question 36

jamb 1995

Scales on reptiles are a feature for

Aconserving water

Bconserving food

Cprotecting the skin

Dlocomotion

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Question 37

jamb 1995

The slender, long and slightly curved beak of the sun-bird is an adaptation for breeding for feeding on

Anectar

Bsmall seeds

Cbig seeds

Dinsects

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Question 38

jamb 1995

All the sons of a colour-blind woman will be coloured blind regardless of the state of the father because

Athe egg determines the phenotype of the son

Bsons inherit the sex chromosome of their mothers

Cthe father's sex chromosomes is weaker in sons

Dsex-linked traits express dominance in females

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Question 39

jamb 1995

The F1 of a cross between a tall and a dwarf plant was tall. The F1 was advanced to F2. How many of 120F2 plants will be dwarf?

A30

B60

C90

D120

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Question 40

jamb 1995

A man with blood group a is married to a woman with blood group A. Which of the following group combinations is possible if the family has three children?

AB, A, AB

BO, A, B

CB, AB, AB

DA, O, A

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Question 41

jamb 1995

The specific number of chromosomes in each somatic cell is represented by

A2^N

B23

C2N

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Question 42

jamb 1995

The DNA molecule is a chain of repeating

Anucleosides

Bnitrogenous bases

Csugar phosphates

Dnucleotides

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Question 43

jamb 1995

A person with type O blood can donate to a patient with type A because the donor's blood

Alacks antigens

Blacks anti-A antibodies

Clacks anti-B antibodies

Dhas both anti-A and anti-B antibodies

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Question 44

jamb 1995

Human height is an example of a feature which depends on both

Agenotype and phenotype

Bgenetic and environmental factors

Cmother's genotype and environmental factor

Dphenotipic and environmental factors

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Question 45

jamb 1995

Environmental pollutants which can work through the media of water, soil and air include

Acarbon monoxide

Bnoise

Csulphur(IV)oxide

Dsmoke

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Question 46

jamb 1995

Some of the diseases caused by bacteria are

Atuberculosis, gonorrhoea and syphilis

Btuberculosis, gonorrhoea and AIDS

CPoliomyelitis, syphilis and gonorrhoea

DAIDS, cholera and tuberculosis

View Explanation & Discuss

Question 47

jamb 1995

Which of the following is a measure for the control of bilharzia?

ACutting low brushes around homes

BApplication of molluscicides in water bodies

CScreening windows and doors with mosquito nets

DApplication of herbicides in water bodies

View Explanation & Discuss

Question 48

jamb 1995

Colonization of a bare rock surface is termed

Aevolution

Bspecification

Cprimary succession

Dsecondary succession

View Explanation & Discuss

Question 49

jamb 1995

In a tropical rain forest, non-epiphytic ferns and allies occur as

Amiddle storey species

Bupper storey species

Cshade-loving species

Demergent species

View Explanation & Discuss

Question 50

jamb 1995

In spite of the removal of carbondioxide from the atmosphere, its amount remains more or less constant because

Ait is produced by green plants during photosynthesis

Bit is produced during respiration of animals

Cit is absorbed inn ocean water

Dgreen plants release it during the day

View Explanation & Discuss

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