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Biology Past Questions

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108 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

108 questions

Question 1 of 20 108 total questions

Question 31

jamb 1993

Stage 3 breathes

Awith the lungs

Bwith the external gills

Cwith the internal gills

Dthrough the skin

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Question 32

jamb 1993

Which of the following is the correct order of the developmental stages?

A1->2->3->4->5

B5->1->3->2->4

C2->1->3->4->5

D5->3->2->1->4

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Question 33

jamb 1993

Which of the following organisms has lost the pentadactyl limb structure?

ABat

BFish

CFrog

DPigeon

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Question 34

jamb 1993

Cold blooded animals are referred to as

Apoikilothermic

Bhomothermic

Cpolythermic

Dhomeostatic

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Question 35

jamb 1993

In the illustration above, the genotypes of the offsprings are

A1 heterozygous smooth : 2 homozygous smooth : 1 wrinkled

B1 homozygous smooth : 2 heterozygous smooth : 1 wrinkled

C2 homozygous smooth : 2 wrinkled

D3 heterozygous smooth : 2 wrinkled

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Question 36

jamb 1993

During blood transfusion, agglutination may occur when

Acontrasting antigens reacts with contrasting antibodies

Bsimilar antigens react with similar antibodies

Ctwo different antigens react with each other

Dtwo different antibodies react with each other

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Question 37

jamb 1993

Which of the following is an example of discontinuous variation observed in man?

ASkin colours

BTongue rolling

CBody weight

DHeight

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Question 38

jamb 1993

Carbon monoxide poisons tissue by

Aconstricting the blood vessels

Bkilling the cells

Ccombining with haemoglobin

Drupturing the blood vessels

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Question 39

jamb 1993

What ecological condition favours the breeding of black flies?

AFresh water habitat

BWater in ponds and swamp

CWater in small containers

DFast flowing streams

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Question 40

jamb 1993

Soil fertility can be conserved and renewed by

Ayearly monocropping

Bcrop rotation and cover crops

Cbush burning to remove unwanted debris

Davoiding artificial manures

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Question 41

jamb 1993

Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?

AMosses

BFerns

CLichens

DGrasses

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Question 42

jamb 1993

Plants adapted for life in salty marsh are called

Ahydrophytes

Bxerophytes

Chalophytes

Depiphytes

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Question 43

jamb 1993

Which of the following instruments is NOT used in measuring abiotic factors in any habitat?

AMicroscopic

BThermometer

CHygrometer

DWind vane

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Question 44

jamb 1993

Two organisms of different species, living in close association but not dependent on each other are referred to as

Aparasites

Bcommensals

Csymbionts

Dautotrophs

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Question 45

jamb 1993

At which trophic level would the highest accumulation of a non-biodegradable substance occur?

APrimary producers

BTertiary consumers

CPrimary consumers

DSecondary consumers

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Question 46

jamb 1993

The most important physical factor which affects an organism living in the intertidal zone of the seashore is

ApH

Bsalinity

Cwave action

Dtemperature

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Question 47

jamb 1993

Important abiotic factors which affects all plants and animals in the habitat are

Atemperature and turbidity

Brainfall and relative humididty

Csalinity and wind direction

Dtemperature and rainfall

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Question 48

jamb 1993

What is the term used to describe the sum total of biotic and abiotic factors in the environment of the organism?

AHabitat

BBiome

CEcosystem

DEcological niche

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Question 49

jamb 1993

Carnivorous plants are usually found in areas

Awhich are deficient of nitrate

Bwhich are deficient of oxygen

Cwith low pH

Dwhere insects are abundant

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Question 50

jamb 1993

What would happen to a man whose pancreas has been surgically removed?

AThe level of blood sugar would increase

BThe glycogen content of the liver would increase

CHis blood pressure would decrease

DHis weight would increase appreciably

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