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.

456.

Soil erosion could be prevented by

A.

flooding a farmland

B.

cover-cropping

C.

deforestation

D.

leaving the soil bare

Correct answer is B

No explanation has been provided for this answer.

457.

Oil applied to the surface of water kills the larvae of mosquitoes through

A.

dehydration

B.

poisoning

C.

starvation

D.

Suffocation

Correct answer is D

No explanation has been provided for this answer.

458.

Which of the following organisms is an endo-parasite?

A.

Mice

B.

Mosquito

C.

Ascaris

D.

Dodder

Correct answer is D

No explanation has been provided for this answer.

459.

Study the diagram above and answer the question

The structure labelled I is

A.

a pitcher

B.

an onion

C.

a flower

D.

a tendril

Correct answer is C

No explanation has been provided for this answer.

460.

An organism at the start of a food chain which provides the total input energy into an ecosystem is the

A.

sun

B.

producer

C.

consumer

D.

decomposer

Correct answer is B

No explanation has been provided for this answer.