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.

3,801.

In animals, meiosis comes

A.

after fertilization

B.

after every mitotic division

C.

before fertilization

D.

before every mitotic division

Correct answer is D

No explanation has been provided for this answer.

3,802.

Which of the following waste products in plants is excreted through the stomata and lenticels?

A.

Carbondioxide

B.

Alkaloids

C.

Tannins

D.

Anthocyanins

Correct answer is A

Carbon dioxide is a waste product of aerobic respiration in plant cells.

3,803.

A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as

A.

open

B.

haemocoelic

C.

single

D.

closed

Correct answer is D

No explanation has been provided for this answer.

3,804.

The process by which a red blood cell placed in distilled water absorbs water until it burst and releases its contents into the surrounding is known as

A.

osmosis

B.

plasmolysis

C.

turgidity

D.

haemolysis

Correct answer is D

No explanation has been provided for this answer.

3,805.

The phloem parenchyma is sometimes used for

A.

food storage

B.

supporting the stem

C.

production of the sieve tube

D.

transporting water

Correct answer is A

No explanation has been provided for this answer.