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.

1,826.

Use the human characteristics to answer this question.

i. Complexion
ii. Height
iii. Blood Rh factor
iv. Colour blindess

Which of the characteristics can be expressed phenotypically?

A.

I and II only

B.

I, II and IV only

C.

I, III and IV only

D.

I, II and III only

Correct answer is B

No explanation has been provided for this answer.

1,827.

Use the human characteristics to answer this question.

I. Complexion
II. Height
III. Blood Rh factor
IV. Colour blindness

Which of the above human characteristics are discontinuous variations?

A.

I and III only

B.

II and III only

C.

II and IV only

D.

III and IV only

Correct answer is D

No explanation has been provided for this answer.

1,828.

In medicine, bacteria have proved very useful due to the production of

A.

nitrate

B.

antibiotics

C.

cured tobacco

D.

tanned leather

Correct answer is B

No explanation has been provided for this answer.

1,829.

Fresh milk is often kept in refrigerated vehicles, for distribution to customers in order to

A.

ensure proper share of fresh milk to all customers

B.

ensure delivery of milk to customers in good time

C.

improve the quality of the milk

D.

ensure that the milk is presented for a longer period

Correct answer is D

No explanation has been provided for this answer.

1,830.

Which of these is a vector of malaria fever?

A.

Female anopheles mosquito

B.

Male anopheles mosquito

C.

Female culex mosquito

D.

Male culex mosquito

Correct answer is A

No explanation has been provided for this answer.