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Biology Past Questions

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

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Past Questions

5,032 questions

Question 1 of 20 5,032 total questions

Question 1601

waec 2000

Vitamin C deficiency results in

Aricket

Bberi-beri

Cscurvy

Dpellagra

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Question 1602

waec 2000

Vitamin C which is water soluble is

Acabalamine

Bpyridoxine

Cascorbic acid

Driboflavine

View Explanation & Discuss

Question 1603

waec 2000

A very poor growth in plants and discolouration of leaves signifies the deficiency of

Acalcium

Bmagnesium

Cpotassium

Dmanganese

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Question 1604

waec 2000

Which of the following statements about nitrogen is not correct? Nitrogen is needed for

Aprotein synthesis

Bactivating certain enzymes

Cthe synthesis of chlorophyll

Dhealthy vegetative growth of plants

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Question 1605

waec 2000

The first stable product of photosynthesis is

Astarch

Bglucose

Coxygen

Dwater

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Question 1606

waec 2000

Which of the following groups consists of only micro-nutrients?

AMolybdenum, sulphur and copper

BBoron, Zinc and Calcium

CManganese, molybdenum and zinc

DMagnesium, phosphorus and manganese.

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Question 1607

waec 2000

Which of the following is not a dry indehiscent fruit?

ALegume

BCypsela

CSamara

DCaryopsis

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Question 1608

waec 2000

What happens to an ovule of a flower, after fertilization? It

Abecomes a fruit

Bwithers away

Cbecomes a seed

Dforms the cotyledons

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Question 1609

waec 2000

Which of the following parts of the eye is sensitive to light?

ARetina

BCornea

CChoroid layer

DOptic nerves

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Question 1610

waec 2000

The simplest form of nervous pathway which links receptors with effectors is known as the

Arelay neuron

Breflex arc

Cmotor nerves

Dsensory nerves

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Question 1611

waec 2000

Each neurone consists of the following structures' except

Acell body

Bdendrites

Caxon

Dwhite matter

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Question 1612

waec 2000

The neurone that relay the message of effector organs are called

Aefferent neurones

Bintermediate neurones

Cafferent neurones

Dspinal nerves

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Question 1613

waec 2000

The nerves that arise from the brain are known as

Aspinal nerves

Bsacral nerves

Ccranial nerves

Doptic nerves

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Question 1614

waec 2000

Which of the following is responsible for the increased heart beat of a boy who saw a python? increased
production of

Aadrenalin

Binsulin

Cpituitrin

Dthyroxin

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Question 1615

waec 2000

The organs constantly in touch with the liver are

Apancreas, colon and caecum

Bduodenum and stomach

Cilleum, stomach and colon

Dstomach and gall bladder

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Question 1616

waec 2000

Which of the following conditions will cause a decrease in body temperature?

Aincreased metabolism

BShivering

CVasoconstriction of capillaries of the skin

DRelaxation of the erector muscles

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Question 1617

waec 2000

Which of the following solutions will induce the condition shown in the diagram?

AHypertonic solution

BHypotonic solution

Cisotonic solution

DDistilled water.

View Explanation & Discuss

Question 1618

waec 2000

The condition shown in the above diagram is due to

Aconversion of starch to sugar

Bconversion of sugar to starch

Cexcess water in structure labelled I

Dpresence of carbondioxide in the structure labelled I

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Question 1619

waec 2000

Which of the labelled structures in the diagram will shrink when plasmolysis
occurs?

BII

CIII

DIV

View Explanation & Discuss

Question 1620

waec 2000

Which of the labelled structures in the diagram are involved with the entry
of carbondioxide for photosynthesis?

AI, II and III only

BI, II, III and VI

CI, II, V and VI

DI, II, III, and IV

View Explanation & Discuss

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