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.

3,691.

Colonization of a bare rock surface is termed

A.

evolution

B.

specification

C.

primary succession

D.

secondary succession

Correct answer is C

No explanation has been provided for this answer.

3,692.

In mammals, stimulus is transferred from the receptor muscles to the central nervous system through the

A.

motor neurons

B.

effector muscles

C.

dendrites

D.

sensory neurons

E.

synapses

Correct answer is D

No explanation has been provided for this answer.

3,693.

An old man is likely to be long-sighted because age affects the

A.

optic nerves

B.

retina

C.

ciliary muscles

D.

cornea

E.

aqueous humour

Correct answer is B

No explanation has been provided for this answer.

3,694.

In a tropical rain forest, non-epiphytic ferns and allies occur as

A.

middle story species

B.

upper story species

C.

shade-loving species

D.

emergent species

Correct answer is C

No explanation has been provided for this answer.

3,695.

The mammalian endocrine system is responsible for?

A.

 transmitting impulse

B.

regulating body temperature

C.

regulating osmotic pressure of blood

D.

chemical co-ordination

E.

the manufacture of blood

Correct answer is D

Endocrine glands release hormones into the bloodstream. This lets the hormones travel to cells in other parts of the body.

The endocrine hormones help control mood, growth and development, the way our organs work, metabolism , and reproduction.