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.

3,871.

The major site of photosynthesis in the leaf is the

A.

palisade parenchyma

B.

mesophyll parenchyma

C.

upper epidermis

D.

lower epidermis

Correct answer is A

No explanation has been provided for this answer.

3,872.

Fungi are heterotropic because they

A.

have no leaves

B.

lack roots

C.

are filamentous

D.

lack chlorophyll

Correct answer is D

No explanation has been provided for this answer.

3,873.

The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the

A.

stomata

B.

lenticels

C.

air space

D.

guard cell

Correct answer is D

No explanation has been provided for this answer.

3,874.

An onion is a bulb because it

A.

has a tuberous stem

B.

 has a reduced stem and thick fleshy leaves

C.

has adventitous roots

D.

bears many buds at the nodes

Correct answer is B

No explanation has been provided for this answer.

3,875.

Which of the following insects undergoes incomplete metamorphosis?

A.

Mosquito

B.

Termite

C.

Housefly

D.

Moth

Correct answer is B

No explanation has been provided for this answer.