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.

3,821.

Carbon monoxide poisons tissue by

A.

constricting the blood vessels

B.

killing the cells

C.

combining with haemoglobin

D.

rupturing the blood vessels

Correct answer is C

No explanation has been provided for this answer.

3,822.

What ecological condition favours the breeding of black flies?

A.

Fresh water habitat

B.

Water in ponds and swamp

C.

Water in small containers

D.

Fast flowing streams

Correct answer is B

No explanation has been provided for this answer.

3,823.

Soil fertility can be conserved and renewed by

A.

yearly monocropping

B.

crop rotation and cover crops

C.

bush burning to remove unwanted debris

D.

avoiding artificial manures

Correct answer is B

No explanation has been provided for this answer.

3,824.

Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?

A.

Mosses

B.

Ferns

C.

Lichens

D.

Grasses

Correct answer is C

No explanation has been provided for this answer.

3,825.

Plants adapted for life in salty marshes are called

A.

hydrophytes

B.

xerophytes

C.

halophytes

D.

epiphytes

Correct answer is C

No explanation has been provided for this answer.