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Biology Past Questions

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Past Questions

110 questions

Question 1 of 20 110 total questions

Question 11

waec 1994

Which of the following does not imply attempt at conservation?

ALimit on the size of nets used in fishing

BLimit on the size of vessels to be used in fishing

CProhibition of hunting or fishing at a certain season

DPrudent management of natural resources

ERetraining from the use of the natural resource

View Explanation & Discuss

Question 12

waec 1994

Which of the following is the least safe method of birth control? Using

Aspermicide creams

Bcontraceptive pills

Cbarriers such as condoms

Dintrauterine device

Ethe withdrawal method

View Explanation & Discuss

Question 13

waec 1994

The deficiency of calcium in a plant may result in

Astunted growth and poor root development

Bpoor growth, leaves become orange or brown

Cstunted growth, slender stem and yellowing of leaves

Dvery small leaves and yellowing of leaves

Etall weedy and reddish leaves, `

View Explanation & Discuss

Question 14

waec 1994

The process whereby poisonous compounds are made harmless in the liver is called

Adeamination

Bglycolysis

Cdehydration

Ddetoxification

Edenitritication

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Question 15

waec 1994

Mutation leads to evolution in that it

Agives rise to offspring which have the same characteristics as the parents

Bkill all organism where it has occurred

Cgives rise to new individuals which differs considerably from their parents

Dalways confers adaptability of the offspring

Edoes nit confer adaptability to the offspring

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Question 16

waec 1994

The part of the ear which equalizes air pressure on either side of the eardrum is
the

Aauditory meatus

Bmalleus

CEustachian tube

Doval window

Estapes

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Question 17

waec 1994

The following conditions form the basis of competition in a habitat except

Afood

Bspace

Creproductive mate

Dlight

Ebody structure

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Question 18

waec 1994

Which of the following factors does not control population growth?

AFood shortage

BEmigration

CAbundance of food

DPredation

ENatural disaster

View Explanation & Discuss

Question 19

waec 1994

Which of these is not part of the appendicular skeleton?

AClavicle

BVertebral column

CScapula

DFemur

EHumerus

View Explanation & Discuss

Question 20

waec 1994

What is the theoretical probability that a normal male child will be born?

A1\2

B1\4

C1\3

E2\3

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Question 21

waec 1994

Which of the following determines a normal male offspring?

CXX

DXY

EYY

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Question 22

waec 1994

In their system of organisation, the diagram labelled II plays the role of a

Aworker

Bsoldier

Cqueen

Ddrone

Ereproductive

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Question 23

waec 1994

The diagrams above represent a group of insects known to be

Acolonial

Bparasitic

Csoldier

Dcarnivorous

Esymbiotic

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Question 24

waec 1994

What is the fate of the ovary of a flower after fertilization?

Abecomes the seed

Bwithers away

Cbecomes the fruit

Ddevelops more nuclei

Edevelops into sepals.

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Question 25

waec 1994

The ability of the eye to alter the focal length of the lens, with regard to the distance of the object from
the eye is known as

Abinocular vision

Bnocturnal vision

Cdistortion

Daccommodation

Efocusing

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Question 26

waec 1994

Muscles are attached to bones by means of

Aligament

Bcartilage

Ccapillaries

Dtendons

Earteries

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Question 27

waec 1994

The structure used by fishes to detect the presence and movement of other animals
by the vibration they produce is the

Aeye

Bnostril

Clateral line

Dscales

Efins

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Question 28

waec 1994

Which of the following agents is responsible for the dispersal of the seed shown above?

Aman

BWater

CWind

DExplosive mechanism

EAnimal

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Question 29

waec 1994

Which of the following relationships illustrates competition?

ACattle egret moving along with cattle

BGoats and cows grazing on a small grass lawn

CMosses succeeding lichens in a rocky terrain

DRed mangrove swamp dying and replaced by white mangrove

EForest trees, shrubs and grasses replacing white mangrove in a swamp

View Explanation & Discuss

Question 30

waec 1994

Which of the following represents the correct order in a possible food chain?

ACrustacean -> diatom -> fish -> man

BFish -> crustacean -> man -> diatom

CMan -> fish -> crustacean -> diatom

DDiatom -> crustacean -> fish -> man

EMan -> diatom -> fish -> crustacean

View Explanation & Discuss

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