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.

3,386.

The most effective method of dealing with non-biodegradable pollutant is by

A.

Dumping

B.

Recycling

C.

Incineration

D.

Burying

Correct answer is B

No explanation has been provided for this answer.

3,387.

One example of fossil fuels is

A.

Limestone

B.

Coral

C.

Coal

D.

Firewood

Correct answer is C

No explanation has been provided for this answer.

3,388.

A density-dependent factor that regulates the population size of organism is

A.

Disease

B.

Sudden flood

C.

Drought

D.

Fire outbreak

Correct answer is A

No explanation has been provided for this answer.

3,389.

The most important hormone that induces the ripening of fruit is

A.

Ethylene

B.

Indole acetic acid

C.

Gibberallin

D.

Cytokinin

Correct answer is A

No explanation has been provided for this answer.

3,390.

The response of plants to external stimuli in a non-directional manner is known as 

A.

Tactic movement

B.

Phototropism

C.

Geotropism

D.

Nastic movement

Correct answer is D

Plant movements that are independent of the direction of the stimulus or that are caused by non-directional stimuli are called nastic movements.