Biology Past Questions

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 441
jamb 2019

The insect trapping movements of the leaves of the venus fly trap is a behavioural adaptation for

Asupport
Bsurviving adverse weather conditions
Cobtaining food
Ddormancy
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Question 442
jamb 2019

The period of inactivity seen in some animals during long period of heat or drought is

AMigration
BAestivation
CHibernation
DAdaptation
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Question 443
jamb 2019

Which of the following is a behavioural adaptation that protects prey from predators?

AHibernation
BShedding of leaves
CSecreting irritating fluid
DDormancy
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Question 444
waec 2018

Which of the following is not a social insect?

Atermite
Bhousefly
Choneybee
Dant
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Question 445
waec 2018

In evolution, fossils are naturally preserved in

Arocks
Bwater
Cchemicals
Dtrees
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Question 446
waec 2018

The theory supports

Anatural selection
Bstruggle for survival
Cindependent assortment
Dthe use and disuse of body parts
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Question 447
waec 2018

The diagram above is an illustration of one of the theories of evolution. Who proposed the theory in the illustration?

ALouis Pasteur
BGregor Mendel
CRobert Hooke
DJean Lamarck
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Question 448
waec 2018

The chemical bond that holds the bases of the two strands of DNA together is

Aoxygen bond
Bhydrogen bond
Celectrovalent bond
Dcovalent bond
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Question 449
waec 2018

A plant cell has 14 chromosomes prior to mitosis. What is the number of chromosomes in the daughter cells?

A14
B56
C28
D7
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Question 450
waec 2018

Genes that remain linked are those

Aclose to each other on the chromosomes
Bon the same locus on the chromosomes
Con the homologous chromosomes
Dwhich are allelic pair
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Question 451
waec 2018

The diagrams above are illustrations of the inheritance of coat colour in mice. J, K, L, M and N are parents. The cross between two parent mice gave rise to offspring P, Q, R and S. Which of the offspring are all homozygous?

AP
BQ
CS
DR
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Question 452
waec 2018

The exchange of genes between homologous chromosomes is called

Acrossing over
Bback cross
Ctest cross
Dmutation
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Question 453
waec 2018

The greatest contribution to genetic studies was made by 

AGregor Mendel
BThomas Morgan
CCharles Darwin
DRobert Hooke
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Question 454
waec 2018

What should the hospital have done to prevent X from showing the symptom described above? Patient X should have

Aundergone an agglutination test
Bbeen asked for the blood group
Cbeen screened for HIV
Dundergone malaria test
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Question 455
waec 2018

Patients X and Y were likely transferred with blood of genotype

AOO
BAO
CBO
DAA
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Question 456
waec 2018

Conservation of wildlife is necessary mainly because 

Awild species cannot resist disease better than their domesticated species
Bmany predator wild animals help in the control of pests
Cit prevents extinction of species
Dmany people derive pleasure from observing wild animals
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Question 457
waec 2018

Which of the following disease ic caused by a bacterium?

Aringworm
Bpoliomyelitus
Csyphilis
Dmalaria
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Question 458
waec 2018

When large numbers of organisms share limited space and resources, the immediate result is

Aextinction
Bemigration
Ccompetition
Dimmigration
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Question 459
waec 2018

An association between living organisms in which one lives on and feeds at the expense of the other is known as

Acommensalism
Bpredation
Cparasitism
Dmutualism
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Question 460
waec 2018

Xerophytes have the following characteristics aimed at conserving water except

Athick cuticle
Bbroad leaf surfaces
Csunken stomata
Dwaxy cuticle
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