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Biology Past Questions

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5,032 questions

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Question 1461

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 1462

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 1463

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 1464

waec 2002

Which of the following will cause wilting in plants?

AHumidity

BColdness

CAdequate soil water

DExcessive transpiration

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Question 1465

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 1466

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 1467

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 1468

waec 2002

Which part of part of plant cell contains cellulose?

AVacuole

BCytoplasm

CCell wall

DChloroplast

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Question 1469

waec 2002

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

AParamecium

BEuglena

CAmoeba

DSpirogyra

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Question 1470

waec 2002

Which of the following characteristics differentiates a palisade cell from a liver cell? The possession of

Aa cell wall and a cytoplasm

Ba vacuole and a nucleus

Cnon-cell membrane and chloroplast

Da cell wall and chloroplast

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Question 1471

jamb 2002

The correct evolutionary sequence of the organisms represented is

AIV->II->III->I

BIII->II->I->IV

CII->III->IV->I

DI->III=>II->IV

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Question 1472

jamb 2002

Ovoviparity is the type of fertilization exhibited by the organism labelled

AIV

BIII

CII

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Question 1473

jamb 2002

A hormone secreted at IV serves to

Amake the body react to emergencies

Blower blood glucose level

Craise the level of calcium ions in the blood

Dfacilitate the development of facial hairs

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Question 1474

jamb 2002

What proportion of the offspring of a cross between two heterozygous parents will exhibit the recessive condition phenotypically

A1/4

B1/2

C3/4

D4/4

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Question 1475

jamb 2002

Genetic counselling is important when a marriage is planned between a

ARh^- woman and Rh^man+

BRh^- woman and Rh^- man

CRh⁺ woman and Rh⁺ man

DRh⁺ woman and Rh^- man

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Question 1476

jamb 2002

The first four children of a couple were all girls. The probability that the fifth will also be a girl is

A1/5

B1/4

C1/3

D1/2

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Question 1477

jamb 2002

If XN is the dominant allele for normal vision and Xn the recessive allele for colour blindness, a boy with the genotype YXn will be

Ahave normal vision

Bbe colour-blind

Cbe totally blind

Dbe a carrier of colour blindness

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Question 1478

jamb 2002

In a population of living things, the parameters of size, height, weight and colour are examples of

Adiscontinuous variation

Bcontinuous variation

Cphysiological variation

Dnon-heritable variation

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Question 1479

jamb 2002

To select and retain the desirable trait of large body size which a farmer has observed in his herd, the farmer needs to

Afeed the animals in the herd with more food

Bcross-breed his animals with a different herd

Cinbreed the animals in his herd

Dprevent disease in herd

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Question 1480

jamb 2002

The gland usually found in the position labelled I is the

Aadrenal

Bthyriod

Cpancreatic

Dpituitary

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