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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.

44 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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44 questions

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Question 21

neco 2003

Which of the following is NOT true of enzymes?

ATheir reactions are reversible

BTheir reactions are irreversible

CThey remain unchanged after the reaction

DThey are affected by high temperatures

EThey have active sites

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Question 22

neco 2003

The association between guinea worm and tissues of man is called

Acommensalism

Bparasitism

Cpredation

DSaprophytism

ESymbiosis

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Question 23

neco 2003

Which of the following factors affect population?

Acompetition and natality rate

Bheat and space

Cfood and mortality rate

DSpace and competition

EWater and light

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Question 24

neco 2003

When a plant shows reddish leaves, the soil is deficient in

Acalcium

Biron

Cnitrogen

Dphosphorus

Esulphur

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