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.

1,151.

What is the result of placing a red blood cell in a hypertonic solution ?

A.

crenation

B.

haemolysis

C.

osmosis

D.

plasmolysis

E.

wilting

Correct answer is A

No explanation has been provided for this answer.

1,152.

Two identical twin boys had different fingerprints. This proves that

A.

the fingerprint is a sex-linked character

B.

the genotypes of the twins are similar

C.

the phenotypes of the twins are similar

D.

there are morphological variations

E.

there are physiological variations in the twins

Correct answer is D

Morphological variation includes aspects of the outward appearance i.e shape, structure, color, pattern, and size.

1,153.

The part of the fruit which serves a protective function is called

A.

endocary

B.

epicarp

C.

mesocarp

D.

pericarp

E.

testa

Correct answer is B

No explanation has been provided for this answer.

1,154.

The modern method of classifying living things is based on a similarity of

A.

colour

B.

habitat

C.

shape

D.

size

E.

structure

Correct answer is E

No explanation has been provided for this answer.

1,155.

Which of the following is NOT a natural source of energy?

A.

coal

B.

electricity

C.

food

D.

sun

E.

water

Correct answer is B

No explanation has been provided for this answer.