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.

3,636.

During binary fission in lower organisms, the nucleus is known to undergo

A.

mitosis

B.

meiosis

C.

fragmentation

D.

mutation

Correct answer is A

No explanation has been provided for this answer.

3,637.

One of the most effective ways of controlling guinea worm is by

A.

treating the disease

B.

public enlightenment campaigns

C.

accelerating rural development

D.

provision of portable drinking water

Correct answer is D

No explanation has been provided for this answer.

3,638.

Which is the most important pollutant of the marine environment in Nigeria?

A.

Insecticides

B.

Sewage

C.

Oil

D.

Inorganic fertilizers

Correct answer is C

No explanation has been provided for this answer.

3,639.

In a soil sample, the relative amouunts of the different soil particles can best be determined by the process of

A.

filtration

B.

centrifugation

C.

precipitation

D.

sedimentation

Correct answer is D

No explanation has been provided for this answer.

3,640.

After a heavy rainfall and the formation of a large pond, the most likely sequence of changes in the vegetation of the pond is

A.

Euglena → water lily → Spirogyra → grass

B.

water lily → Spirogyra →grass → Euglena

C.

Spirogyra → Euglena → grass → water lily

D.

Euglena → Spirogyra → water lily → grass

Correct answer is C

No explanation has been provided for this answer.