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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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2,099 questions

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Question 461

waec 2008

The part of the brain which controls and coordinates body posture is the

Acerebellum

Bhypothalamus

Cmedulla oblongata

Dpons varolii

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Question 462

waec 2008

The passage of nerve impulse across a synapse is facilitated by the secretion of

Aacetylcholine

Bthyroxin

Cinsulin

Dprogesterone

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Question 463

waec 2008

Plant hormones include the following except

Ainsulin

Bauxin

Ccytokinin

Dgibberellin

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Question 464

waec 2008

Which of the following actions is note function of adrenaline? It increases

Abody blood sugar by conversion of liver glycogen into glucose

Bmuscular power and resistance to fatigue

Cthe rate of heat

Dthe dilation of the pupils of the eye

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Question 465

waec 2008

Which of the following statements is not true about hormones?

AHormones are manufactured in ductless glands and poured straight into the blood stream

BHormones are carried by the blood plasma to the required Target organs

CHormonal responses are usually instant and electrical

DOnce the effects of hormones are over, they are inactivated and excreted from the body

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Question 466

waec 2008

The presence of glucose in the urine of a patent is an indication of malfunctioning of the

Apancreas

Bgall bladder

Cliver

Dspleen

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Question 467

waec 2008

The process of regulating the amount of water and solutes in the body fluids is called

Aosmosis

Bdiffusion

Cosmoregulation

Dhomeostasis

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Question 468

waec 2008

In the adult frog gaseous exchange takes place in the

Abuccal cavity, skin and lungs

Bbuccal cavity, skin and spiracles

Cgills, skin and buccal cavity

Dtympanic membrane, lungs and gills

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Question 469

waec 2008

Carbon dioxide is carried in the plasma?

Ain combination with haemoglobin

Bin combination with antibodies

Cby capillary action

Das bicarbonate ion.

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Question 470

waec 2008

Which of the following parts of the skeleton does not have a protective function?

ARibs

BCarpals

CSkull

DPelvis

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Question 471

waec 2008

The structure labelled II is called

Adeltoid ridge

Btrochanter

Cshaft

Dtrochlea

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Question 472

waec 2008

To form a ball and socket joint, the structure labeled I fits into another structure in the scapula
called the

Ablade

Bglenoid cavity

Colecranon fossa

Dpatella

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Question 473

waec 2008

Primary growth in plants is brought about by the activity of the

Ameristem

Bendodermis

Cepidermis

Dmesophyll

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Question 474

waec 2008

A pupil accidentally "watered" a potted plant with a concentrated salt solution. After sometime the plant began to wilt.

Which of the following activities would revive the plant?

ACovering the plant with dark paper to prevent further water loss from its surfaces

BLeaving the plant to adapt to the condition

CExposing the plant to higher concentration of oxygen

DAdding more water to the soil

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Question 475

waec 2008

A pupil accidentally "watered" a potted plant with concentrated salt solution after sometime the plant began to wilt.

The wilting of the plant is due to the fact that

Athe root hair die off and can no longer absorb water

Bthe salt solution causes faster rate of transpiration leading to the death of the plant cell

Cthe salt solution has caused water lost from the plant cell leading to loss of turgor

Dthe plant tissue has been poisoned by the salt which is absorbed by the plant

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Question 476

waec 2008

The living materials of the cell consist of

Anucleus and cytoplasm

Bcytoplasm and vacuole

Ccytoplasm and cell membrane

Dnucleus and cell membrane

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Question 477

waec 2008

Which of the following features does not necessarily place paramecium as a higher level of organisation over Amoeba?

APresence of cilia

BAbsence of pseudopodia

CPresence of micro and mega nuclei

DPresence of more than one food vacuole

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Question 478

waec 2008

In the binomial system of naming organisms, the second name is called the

Ascientific name

Bcommon name

Cgeneric name

Dspecific name

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Question 479

waec 2007

A termite with a relatively large head and powerful jaws is likely to be a

Aking

Bqueen

Csoldier

Dreproductive

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Question 480

waec 2007

The theory of survival of the fittest was propounded by

ADarwin

BLamarck

CLinnaeus

DMendel

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