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Biology Past Questions

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2,572 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

2,572 questions

Question 1 of 20 2,572 total questions

Question 951

jamb 1991

Deoxygenation blood flows into the right and left lungs through the

Apulmonary vein

Bvena cava

Cpulmonary artery

Dsubclavian vein

View Explanation & Discuss

Question 952

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 953

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 954

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 955

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 956

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 957

jamb 1991

The crown of the mammalian tooth is covered with

Acement

Bdentine

Ccaries

Denamel

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Question 958

jamb 1991

The element common to protein carbohydrate and lipid is

Ahydrogen

Bsulphur

Cnitrogen

Dphosphorus

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Question 959

jamb 1991

One of the accessory organs of the digestive system is the

AKidney

BSpleen

Cliver

Dlung

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Question 960

jamb 1991

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

ALipid

BStarch

COxygen

DSugar

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Question 961

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 962

jamb 1991

The gill raker of fishes take part in?

Afeeding

Brespiration

Cswimming

Ddiffusion

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Question 963

jamb 1991

The respiratory organ in the land snail is the

Aradula

Bmantle

Ctentacle

Dfoot

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Question 964

jamb 1991

The function of maxillipeds in crayfish is to aid

Awalking

Bswimming

Cfeeding

Drespiration

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Question 965

jamb 1991

In the earthworm, the cocoon is secreted by the

Achaeta

Bprostomium

Cperistomium

Dcitellum

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Question 966

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 967

jamb 1991

The annulus of fern sporangium helps in

Aspore dispersal

Bconduction of mineral salt

Ctrapping of light energy

Dwater retention

View Explanation & Discuss

Question 968

jamb 1991

To facilitate gaseous exchange, breathing roots have

Astomata

Bmitochondria

Ccuticle

Dlenticels

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Question 969

jamb 1991

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

AAlgae

BSchizophyta

CPteridophyta

DBryophyta

View Explanation & Discuss

Question 970

jamb 1991

Sting cells are normally found in

AFlatworms

BHydra

CSnails

DParamecium

View Explanation & Discuss

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