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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.

2,572 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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2,572 questions

Question 1 of 20 2,572 total questions

Question 541

jamb 2008

In the diagram, which of the four offspring of the cross will be short if T the gene for tallness is dominant to t?

Bii

Ciii

Div

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Question 542

jamb 2008

In the diagram, the population size of species II on the 20th day is

A100

B200

C300

D400

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Question 543

jamb 2008

In the diagram, if species i, ii and iii interact in a community, which of the following statement is true?

Athe population of species ii is growing at a slow rate

Bthe population of species iii has reached its carrying capacity?

Cthe population of species I has become extinct

Dthe population of species I is always higher than species ii

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Question 544

jamb 2008

In the diagram, the part labelled IV indicated that the yeast population has

Areached its maximum size

Breached senescence

Cstopped metabolizing food

Dstarted dying

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Question 545

jamb 2008

In the diagram, the part labelled I represents the

Astationary phase

Blag phase

Clog phase

Dsteady phase

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Question 546

jamb 2008

In the diagram, the illustration is a typical example of a plant pollinated by

Awind

Bman

Cinsects

Dbirds

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Question 547

jamb 2008

Use the diagram above to answer this question. The animal represented by l is a

Apoikilotherm

Bhomoiotherm

Ccarnivore

Dherbivore

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Question 548

jamb 2008

Use the diagram above to answer this question. From the graph above, it can be appropriately deduced that?

Athe body temperature in ll varies with that in l

Bthe body temperature in l is independent of external temperature

Cl and ll maintain constant body temperature

Dexternal temperatures affect the body temperature of l and ll

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Question 549

jamb 2008

Use the diagram above to answer this question.Water reabsorption takes place in

All and lll

Blll and lV

Cl and IV

Dl and lll

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Question 550

jamb 2008

Use the diagram above to answer this question.The vessel that carries blood from l to ll is the

Apulmonary artery

Bpulmonary vein

Ccarotid artery

Djugular vein

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Question 551

jamb 2008

Use the diagram above to answer this question.The type of reproduction illustrated in IV is

Asexual

Bconjugation

Cbinary fission

Dbudding

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Question 552

jamb 2008

Use the diagram above to answer this question. Which of the organisms is characterised by the possession of a chitinous exoskeleton?

Bll

Clll

DlV

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Question 553

jamb 2008

Which of the following is a major cause of variation among organisms?

AInbreeding

BBackcrossing

CSexual reproduction

DGene dominance

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Question 554

jamb 2008

Which of the following is the most advanced evolutionary development in plants?

Apossession of unicellular structures

Bdevelopment of flowers

Cdispersal of spores

Ddevelopment of secondary thickening

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Question 555

jamb 2008

The ability of a chameleon to change its colour is an adaptive feature for

Aattraction

Bdefence

Cdisplay

Dattack

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Question 556

jamb 2008

A major adaptive feature of endoparasites is the

Aloss of the organ of movement

Bpresence of claws

Closs of the central nervous system

Dpresence of piercing mouthparts

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Question 557

jamb 2008

Genetically modified food products have not become universally accepted because

Athey are not tasty as others produced by conventional means

Bthey are usually costlier than others produced by conventional means

Ctheir effects on human consumers is not yet fully understood

Dthe technology can be applied only in developed countries

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Question 558

jamb 2008

The Rhesus factor of blood was first identified in a category of

Amonkeys

Bhuman females

Chuman males

Dchimpanzees

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Question 559

jamb 2008

The easiest way to establish the level of pollution in a local stream is to measure the level of

Aoxygen

Bcarbon (IV) oxide

Cammonia

Dalkalinity

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Question 560

jamb 2008

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted

Aschistosomiasis

Bonchocerciasis

Cpoliomyelitis

Dsalmonellosis

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