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.

3,646.

Which of the following characters is NOT sex-linked?

A.

Albinism

B.

Baldness

C.

Haemophilia

D.

Colour blindness

Correct answer is A

No explanation has been provided for this answer.

3,647.

One reason for the success of Mendel's work is that the

A.

was the first to carry out research work on modern genetics

B.

introduced quantitative and qualitative elements into his work

C.

selected two characteristics only at a time for study

D.

drew up his laws of inheritance based on his knowledge of chromosomes

Correct answer is D

No explanation has been provided for this answer.

3,648.

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.

3,649.

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.

3,650.

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.