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.

3,221.

Exhaled air differs from inhaled air in that it

A.

has lesser amount of carbon (IV) oxide

B.

is usually lower in temperature

C.

often has more oxygen

D.

usually has more water vapour

Correct answer is D

No explanation has been provided for this answer.

3,222.

What will happen wen two equal sized pieces of unripe pawpaw labelled X and Y are dropped into equal volumes of concentrated salt solution and distilled water respectively?

A.

pawpaw X will become turgid

B.

both will increase in size

C.

pawpaw Y will become turgid

D.

both will decrease in size

Correct answer is C

No explanation has been provided for this answer.

3,223.

In the alimentary system of a bird, the function of the teeth is carried out by the

A.

crop

B.

beak

C.

gizzard

D.

tongue

Correct answer is C

No explanation has been provided for this answer.

3,224.

insectivorous plants trap and kill their prey to derive

A.

phosphorous

B.

calcium

C.

nitrogen

D.

zinc

Correct answer is C

No explanation has been provided for this answer.

3,225.

The order of food passage in the digestive system is?

A.

ileum → caecum → large intestine → rectum

B.

ileum → colon → caecum →rectum

C.

large intestine →ileum → caecum →rectum

D.

colon → caecum → ileum →rectum

Correct answer is A

No explanation has been provided for this answer.