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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.

5,032 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

5,032 questions

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Question 2091

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 2092

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 2093

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 2094

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 2095

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 2096

jamb 1991

The crown of the mammalian tooth is covered with

Acement

Bdentine

Ccaries

Denamel

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Question 2097

jamb 1991

The element common to protein carbohydrate and lipid is

Ahydrogen

Bsulphur

Cnitrogen

Dphosphorus

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Question 2098

jamb 1991

One of the accessory organs of the digestive system is the

AKidney

BSpleen

Cliver

Dlung

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Question 2099

jamb 1991

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

ALipid

BStarch

COxygen

DSugar

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Question 2100

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 2101

jamb 1991

The gill raker of fishes take part in?

Afeeding

Brespiration

Cswimming

Ddiffusion

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Question 2102

jamb 1991

The respiratory organ in the land snail is the

Aradula

Bmantle

Ctentacle

Dfoot

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Question 2103

jamb 1991

The function of maxillipeds in crayfish is to aid

Awalking

Bswimming

Cfeeding

Drespiration

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Question 2104

jamb 1991

In the earthworm, the cocoon is secreted by the

Achaeta

Bprostomium

Cperistomium

Dcitellum

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Question 2105

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 2106

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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Question 2107

jamb 1991

To facilitate gaseous exchange, breathing roots have

Astomata

Bmitochondria

Ccuticle

Dlenticels

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Question 2108

jamb 1991

Which of the following are differentiated into true roots, stems and leaves

AAlgae

BSchizophyta

CPteridophyta

DBryophyta

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Question 2109

jamb 1991

Sting cells are normally found in

AFlatworms

BHydra

CSnails

DParamecium

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Question 2110

jamb 1991

Which of the following are non-green plants?

AEuglena

BFungi

CSpirogyra

DAngiosperms

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