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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.

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

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2,572 questions

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Question 921

jamb 1992

In typical predator food chain involving secondary and tertiary consumers, the organism become progressively

Asmaller and more numerous along the food chain

Bequal in number and size along the food chain

Clarger and fewer along the food chain

Dparasitized along the food chain as consumers get bigger

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Question 922

jamb 1992

A population is defined as a collection of similar organism that

Abehave in the same way

Binterbreed freely

Care found in the same habitat

Deat the same food

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Question 923

jamb 1992

Which of the following is true of climax community?

Ait persists until the enviroment or climate changes

Bit changes drastically from one year to the next

Cit is first stage in succession

DIt is made up of the tallest trees and the smallest

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Question 924

jamb 1992

Neurons that receive stimuli from the body or internal organs are called

Asensory neurons

Befferent neurones

Cmotor neurones

Drelay neurones

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Question 925

jamb 1992

The grand period of growth is represented by

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Question 926

jamb 1992

Which part of the curve represents the fastest rate of growth?

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Question 927

jamb 1992

Fruits which develop without fertilization of the ovule are

Afalse

Bmultiple

Caggrgate

Dparthenocarpic

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Question 928

jamb 1992

Hypogeal germination is characterized by the

Aemergency of the plumule out of the ground

Bprovision of nourishment by the endosperm

Celongation of the hypocotyl

Delongation of the epicotyl

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Question 929

jamb 1992

In mammalian development, the function of the yolk is to

Asupply nutrients to the embryo

Bact as the shock-absorber to the foetus

Csupply air to the embryo

Dfacilitates the process of excretion in the foetus

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Question 930

jamb 1992

Double fertilization in higher plants is significant because it ensures the

Aformation of a fertile embryo

Bformation of a fertile embryo and the endosperm

Cdevelopement of the seed

Ddevelopement of the fruit

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Question 931

jamb 1992

The function of the part labelled 1 is to

Asecrete a fluid which lubricates the joint

Battach muscles to the bones at the joint

Cbend the bones at the joint

Dhold the joint in place

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Question 932

jamb 1992

The part labelled 3 is the

Acartilage

Bligament

Csynovial fluid

Dbone

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Question 933

jamb 1992

Which enzymes are contained in the pancreatic juice?

APtayalin, lipase and pepsin

BMaltase, erepsin and trypsin

CRenin, sucrase and lipase

DAmylase, lipase and trypsin

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Question 934

jamb 1992

The bone of the neck on which the skull rests is known as the

Aodontoid process

Baxis

Catlas

Doccipital condyle

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Question 935

jamb 1992

Melanin and keratin are produced in the part labelled

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Question 936

jamb 1992

The structure labelled 5 is the

Asweat gland

Bsebaceous gland

Cblood vessel

Dnerve fibre

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Question 937

jamb 1992

The excretory organ in insects is the

Akidney

Bmalpighian tubule

Cflame cell

Dnephridium

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Question 938

jamb 1992

In the absence of oxygen, the pyruvic acid produced during glycolysis is converted to CO₂ and

Awater

Bglycerol

Cethanol

Dcitric acid

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Question 939

jamb 1992

Gaseous exchange in Aves occurs in the

Atracheoles

Bbronchi

Cair sacs

Dtrachea

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Question 940

jamb 1992

The blood vessel which carries blood from the alimentary canal to the liver is the

Ahepatic artery

Bhepatic vein

Chepatic portal vein

Dmesenteric artery

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