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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

110 questions

Question 1 of 20 110 total questions

Question 21

waec 1990

Which of the following are components of glomerular filtrate?

AAll the components of Blood except mineral salts

BWater and salt only

CAll the components of blood except plasma protein and cells

DPlasma proteins, red and white blood cells

EBlood cells, amino acid, salts and nitrogenous wastes.

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Question 22

waec 1990

Breathing movement in mammals is accompanied by regular movements of the diaphragm and the

Aintercostal muscles

Bvertebral column

Cclavicle

Dpleural cavity

Efloating ribs

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Question 23

waec 1990

Gaseous exchange takes place in the adult toad through the

Abuccal cavity, bladder and lungs

Bbuccal cavity, skin and lungs

Ctympanic membrane, lungs and gills

Dbuccal cavity, skin and spiracle

Egills skin and buccal cavity

View Explanation & Discuss

Question 24

waec 1990

Water vapour is lost in plants during transpiration through

Astomata and lenticels

Bxylem and stomata

Csclerenchyma and stomata

Dparenchyma and lenticels

Eguard cells and lenticels

View Explanation & Discuss

Question 25

waec 1990

Different tissues in plants contribute to the support of the parts as a result of the following characteristics
except

Amalleability

Brigidity

Cflexibility

Dresilience

Ehardness

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Question 26

waec 1990

The stems of young herbaceous plants are kept upright mainly by

Aosmotic pressure

Bturgor pressure

Ctranspiration pull

Dsuction pressure

Eroot pressure.

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Question 27

waec 1990

Which of the following statements is not correct about the functions of each group
of mammalian vertebrae?

ACervical vertebrae support the neck

BThoracic vertebrae articulate with the ribs

CLumbar vertebrae provide attachment for abdominal muscles

DSacral vertebrae support the skull and allow nodding and rotating movements

ECaudal vertebrae support the tail and provide attachment for tail muscle

View Explanation & Discuss

Question 28

waec 1990

The structure labelled A represents the

Atransverse process

Bneural spine

Cneural canal

Dcentrum

Emetapophysis

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Question 29

waec 1990

What type of vertebra is represented in the diagram?

AAtlas

BAxis

CCervical vertebra

DSacrum

ELumbar vertebra

View Explanation & Discuss

Question 30

waec 1990

Which of the following is not a function of the mammalian skeleton? It

Agives the body its shape

Bprovides a framework on which internal organs are suspended

Cprotects soft and delicate parts of the body

Dprovides attachment for muscles

Econtracts and relaxes to bring about movement

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Question 31

waec 1990

The stage of mitosis represented in the diagram is known as the

Atelophase

Bmetaphase

Canaphase

Dinterphase

Eprophase

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Question 32

waec 1990

Which of the following processes is not evident from the drawing?

ALining up of the chromosomes at the equatorial plate

BCentromere attaching a pair of chromatids to a spindle fibre

CChromatids held by centromere

DAbsence of nuclear membrane

EChromatids moving to the poles

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Question 33

waec 1990

At which of the following stages of mitosis do the two daughter chromosomes separate completely?

AEarly prophase

BTelophase

CAnaphase

DLate prophase

Emetaphase

View Explanation & Discuss

Question 34

waec 1990

Which of the following statements is not correct of respiration?

AGaseous exchange occurs by diffusion

BOxygen combines with haemoglobin at the respiratory surface

CCarbondioxide produced in the tissues is removed by the process of osmosis

DThere are no special organs for respiration in plants

EIn higher animals, respiratory gases are transported in solution.

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Question 35

waec 1990

At the end of mitosis the number of cells produced from a parent cell is

Afour

Bsix

Ceight

Dthree

Etwo

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Question 36

waec 1990

Which of the following structures differentiates an animal cell from a plant cell?

ARibosomes

BCell membrane

CChloroplast

DMitochondrion

ELysosome

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Question 37

waec 1990

The structure in the cell that controls the movement of substances in and out of the cell is the

Acytoplasmic membrane

Bnuclear membrane

Ccytoplasm

Dprotoplasm

Eendoplasm

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Question 38

waec 1990

Most of the energy in the cell is produced in the

Amitochondrion

Blysosome

Cplastid

DGolgi apparatus

Ecytoplasm

View Explanation & Discuss

Question 39

waec 1990

Which of the following structures controls the activities of the living cell?

ANucleus

BCentrosome

CChloroplast

DGolgi body

EMitochondrion

View Explanation & Discuss

Question 40

waec 1990

Which of the following methods of reproduction is common to Paramecium and Amoeba?

AConjugation

BSexual reproduction

CBinary fission

DBudding

EFragmentation

View Explanation & Discuss

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