Biology questions and answers

Biology Questions and Answers

How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.

461.

The capillarity of a soil refers to

A.

the particle size of soil

B.

how easily water passes through soil

C.

how well water rises up in soil

D.

proportion of water a soil holds

Correct answer is C

No explanation has been provided for this answer.

462.

The major problem experience by organisms living in small water bodies is

A.

drying up

B.

oxygen deficiency

C.

scarcity of food

D.

wave action

Correct answer is A

No explanation has been provided for this answer.

463.

Which of the following components make up an ecosystem?

A.

Decomposers, animals and non-living factors

B.

Living and non-living factors

C.

Plants and non-living factors

D.

Plants decomposers and non-living factors

Correct answer is B

No explanation has been provided for this answer.

464.

A community reaches a climax when

A.

only pioneer organisms are present

B.

new habitats are constantly being formed

C.

there is an introduction of new plants and animal species within the community

D.

the composition and size of a community remains constant over a long period

Correct answer is D

No explanation has been provided for this answer.

465.

A person suffering from obstruction of the bile duct is advised not to eat fats and oil because

A.

bile digests fats and oil

B.

fats and oil can only be absorbed whenbile is absent

C.

bile emulsifies fat and oil

D.

bile adds water to digesting food

Correct answer is C

No explanation has been provided for this answer.