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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.

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Past Questions

50 questions

Question 1 of 20 50 total questions

Question 11

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 12

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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Question 13

jamb 1993

Which path does sound entering the human ear follow?

AOval window → ossicles → ear drum

BEar drum → oval window → ossicles

CEar drum → ossicles → oval window

DOssicles → ear drum → oval window

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Question 14

jamb 1993

When it is cold, the blood vessels of the skin

Adilates to increase the amount of blood flowing

Bconstrict to reduced the amount of blood flowing to the skin

Cdilate to reduce the amount of blood flowing to the skin

Dconstrict to increase the amount of blood flowing to the skin

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Question 15

jamb 1993

The function of the structure labelled G is to

Acarry out initial photosynthesis for the seedlings

Bprotect the young leaves from mechanical damage

Cprotect the young leaves from sun light

Dprotect the young leaves from insects pest

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Question 16

jamb 1993

In H, the cotyledons are carried above the soil because

Athe epicotyl grows faster than the hypocotyl

Bthe hypocotyl grows faster than the epicotyl

Cboth grow at the same rate

Dthe epicotyl outgrow the radicle

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Question 17

jamb 1993

In the mammal, the autonomic nervous system consists of

Asympathetic and parasympathetic system

Bbrain and spinal nerves

Cbrain and cranial nerves

Dspinal cord and spinal nerves

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Question 18

jamb 1993

The main function of the petal of a flower is to

Aattract pollination agents

Bprotect the flower while still in bud

Cserve as landing stage for insects

Dprotect the inner paisr from desiccation

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Question 19

jamb 1993

The bright colours of the comb and feathers in the peacock are for

Asex differenciation

Bbeauty

Ccourtship

Ddefence

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Question 20

jamb 1993

Which of the following is TRUE of the process of conjugation in paramecium?

AMicronucleus disintegrates

BEach ex-conjugant divides only once

CMacronucleus undergoes division

DEach micronucleus divides twice

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Question 21

jamb 1993

Which of the following is the correct order of the vertebrae along the spinal column?

AAxis → atlas → thoracic → lumbar → cervical → sacral

BAtlas → cervical → axis → thoracic → lumbar→ sacral

CAtlas → axis → cervical → thoracic → lumbar → sacral

DAxis → atlas → cervical → thoracic → sacral → lumbar

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Question 22

jamb 1993

The response shown by the tips of the root and shoot of a plant to the stimulus of gravity is

Ahaptotropism

Bphototropism

Chydrotropism

Dgeotropism

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Question 23

jamb 1993

Members of the phylum protozoa use the contractile vacuole

Ato remove excess food

Bfor movement

Cfor digestion

Dto remove excess water

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Question 24

jamb 1993

The main function of blood in mammals is to transport

Aexcretory materials from tissues

Bcarbondioxide from lungs to tissues

Cdigested food from all the body tissues

Doxygen to the lungs

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Question 25

jamb 1993

The end products of the digestion of fats and oils in mammals are

Amaltose and fatty acid

Bamino acids and glucose

Cfatty acid and fructose

Dfatty acids and glycerin

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Question 26

jamb 1993

This lower jaw is typical of a

Asheep

Brabbit

Cdog

Dcat

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Question 27

jamb 1993

Which of the labelled parts is the diastema?

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Question 28

jamb 1993

Osmic acid boiled with a solution of food substance gave a black precipitate. This indicates the presence of

Afats and oil

Bproteins

Camino acids

Dstarch

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Question 29

jamb 1993

Interveinal chlorosis is normally associated with the deficiency of

Amagnesium

Bpotassium

Ciron

Dcalcium

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Question 30

jamb 1993

Manufactured food in the plant is transported through the

Axylem

Bphloem

Ccambium

Dcortex

View Explanation & Discuss

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