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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.

107 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

107 questions

Question 1 of 20 107 total questions

Question 41

jamb 1991

Which of the following vertebrae lacks a centrum?

AAtlas

BAxis

CThoracic

DLumbar

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Question 42

jamb 1991

The movement of the whole organism to an external stimulus is termed

Atropism

Ba taxis

Ca nastic movement

Da phototropic movement

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Question 43

jamb 1991

Which of the following is a plant excretory product?

AOil

BCytokinin

CResin

DAmino acids

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Question 44

jamb 1991

Deoxygenation blood flows into the right and left lungs through the

Apulmonary vein

Bvena cava

Cpulmonary artery

Dsubclavian vein

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Question 45

jamb 1991

Fibrinogen and prothrombin play important roles in the

Adeamination of proteins

Bclotting of blood

Cdetoxication of substance

Dstorage of vitamins

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Question 46

jamb 1991

The process by which water moves from X to Y through the semi-permeable membrane is called

Adiffusion

Bosmosis

Cactive diffusion

Dosmoregulation

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Question 47

jamb 1991

After 30 minutes, the level of sugar solution in the above figure will?

Arise in x only

Brise in Y only

Cbe the same in X and Y

Dfall in Y

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Question 48

jamb 1991

Which of the following can bring about the greatest increase in the rate of transpiration?

AIncreased humidity

BReduced temperature

CReduced wind speed

DReduced humidity

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Question 49

jamb 1991

In the living cells, insufficient oxygen may cause a breakdown of glucose into?

Afatty acids

Blactic acids

Cglycogen

Dcarbon dioxide

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Question 50

jamb 1991

The crown of the mammalian tooth is covered with

Acement

Bdentine

Ccaries

Denamel

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Question 51

jamb 1991

The element common to protein carbohydrate and lipid is

Ahydrogen

Bsulphur

Cnitrogen

Dphosphorus

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Question 52

jamb 1991

One of the accessory organs of the digestive system is the

AKidney

BSpleen

Cliver

Dlung

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Question 53

jamb 1991

Which of the following is formed immediately after the first product of photosynthesis?

ALipid

BStarch

COxygen

DSugar

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Question 54

jamb 1991

A wide pith with a ring of conducting tissue is characteristic of the root of

Asunflower

Bmaize

Cbean

Dokra

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Question 55

jamb 1991

The gill raker of fishes take part in?

Afeeding

Brespiration

Cswimming

Ddiffusion

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Question 56

jamb 1991

The respiratory organ in the land snail is the

Aradula

Bmantle

Ctentacle

Dfoot

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Question 57

jamb 1991

The function of maxillipeds in crayfish is to aid

Awalking

Bswimming

Cfeeding

Drespiration

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Question 58

jamb 1991

In the earthworm, the cocoon is secreted by the

Achaeta

Bprostomium

Cperistomium

Dcitellum

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Question 59

jamb 1991

One of the features which adapts Paramecium to its environment is the possession of

Aa regular shape

Btwo nuclei

Ccilia

Da pellicle

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Question 60

jamb 1991

The annulus of fern sporangium helps in

Aspore dispersal

Bconduction of mineral salt

Ctrapping of light energy

Dwater retention

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