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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 631

waec 2002

If the cerebellum of a person is slightly damaged, which of the following will be impaired?

Avision

BWalking

CBreathing

DDigestion

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Question 632

waec 2002

In humans, which of the following pairs of hormones correspond to male and female respectively?

AOestroqen and adrenalin

BProgesterone and testosterone

CTestosterone and oestrogen

DAdrenalin and progesterone

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Question 633

waec 2002

Which of the following organs in humans is responsible for the removal of excess water?

AThe spleen

BThe kidney

CLarge intestine

DSmall intestine

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Question 634

waec 2002

Adrenalin is considered as a hormone for “fright and flight” because it

Acontrols the fluid content of the body

Bis used in protein metabolism

Cplays a role in the pH balance of the body fluids

Dprepares the body for action.

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Question 635

waec 2002

In which of the following processes in mammals is liquid passed from blood capillaries to Bowman‘s capsule?

AFiltration

BDiffusion

COsmosis

DReabsorption

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Question 636

waec 2002

The oxygen released during photosynthesis is obtained

Afrom the catalytic splitting of carbon-dioxide in plant tissues

Bfrom the breakdown of glucose molecules in cells

Cduring the photolysis of water using energy trapped in chlorophyll

Dby the excretion of excess oxygen in plant tissues

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Question 637

waec 2002

Which of the following does not occur during inhalation in mammals?

ARib cage is raised up

BDiaphragm contracts and becomes dome shaped

CInter-coastal muscle contracts

DVolume of the thoracic cavity increases.

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Question 638

waec 2002

Which of the following is used to measure the rate of water uptake in plants?

APotometer

BHydrometer

CHygrometer

Daspirator

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Question 639

waec 2002

The function of the red blood cells is to

Aengulf invading bacteria

Baid in protein formation

Ctransport oxygen to the cells

Dcontrol blood glucose level

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Question 640

waec 2002

Diffusion is most effective in living organisms, when the surface area is

Alarge and the thickness is also large

Bsmall while the thickness is large

Clarge while the thickness is small

Dthe same as its thickness.

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Question 641

waec 2002

Which of the following will ease the friction between the ends of bones in a movable joint?

ASerum

BTissue

CBlood plasma

DSynovial fluid.

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Question 642

waec 2002

The following are methods of measuring plant growth except

Adetermining the fresh and dry weights of the plant

Bcounting the number of fruits produced

Cmeasuring the increase in height of the shoot

Dmeasuring the length and breadth of a leaf.

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Question 643

waec 2002

Study the information below. Use it to answer question below

In an experiment to study the rate of water loss in plants, leaves of a potted plant were treated as follows:
I. Upper surface covered with Vaseline ll. Lower surface covered with Vaseline
III. Both surfaces covered with Vaseline IV. None of the leaf surfaces covered

Indicate in a descending order, the rate of water loss from the leaves

AI, II, III and IV

BII, I, III and IV

CIII, II, I and IV

DIV, I, II and III

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Question 644

waec 2002

Which of the following definitions best describes excretion? The

Aliberation of energy from food

Brelease of faeces from the body

Cbreakdown of food molecules

Dremoval of the waste products of metabolism.

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Question 645

waec 2002

Which of the following will cause wilting in plants?

AHumidity

BColdness

CAdequate soil water

DExcessive transpiration

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Question 646

waec 2002

Which of the following represents the correct sequence, from the most complex of organisations?

AMitochondrion, Muscle, Alimentary canal, Rabbit, Heart, Neurone

BMitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit

CAlimentary canal, Neurone, Muscle, Heart, Rabbit. Mitochondrion

DRabbit, Mitochondrion, Heart, Neurone, Alimentary canal, Muscle

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Question 647

waec 2002

Which of the following depicts the external features of a rat as mammal?

ALong intestine and tail

BDiaphragm and lungs

CMilk and sweat production

DFur and whisker

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Question 648

waec 2002

Animal cells are different from plant cells because animal cells have

Adefinite cell wall

Blarge vacuole

Ccentrioles

DChloroplast

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Question 649

waec 2002

Which part of part of plant cell contains cellulose?

AVacuole

BCytoplasm

CCell wall

DChloroplast

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Question 650

waec 2002

Which of the following organism has both plant and animal-like features

AParamecium

BEuglena

CAmoeba

DSpirogyra

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