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.

2,881.

Over-crowding in seedlings of different species is less serious than over-crowding involving one species
because different species may

A.

have different nutritional needs

B.

lack the same nutrient

C.

be active at the same time

D.

have similar tolerance

E.

need equal spacing

Correct answer is A

No explanation has been provided for this answer.

2,882.

The term afforestation is used to describe

A.

 harvesting natural forest resources

B.

planting trees of value to man

C.

fallowing forestland

D.

felling trees in the forest

E.

recycling waste forest products

Correct answer is B

No explanation has been provided for this answer.

2,883.

The inability of some individuals to perceive the taste of some substances is an example of

A.

individual adaptation

B.

physiological variation

C.

morphological variation

D.

morphological adaptation

E.

physical variation

Correct answer is B

No explanation has been provided for this answer.

2,884.

The spaces between neurons through which impulses cross by chemical reaction are called

A.

axons

B.

ganglia

C.

synapses

D.

dendrites

E.

pia mater

Correct answer is C

No explanation has been provided for this answer.

2,885.

Which of the following fixes atmospheric nitrogen?

A.

Rhizobium

B.

Nitrosomonas

C.

Nitrobacter

D.

Putrefying bacteria

E.

Denitrifying bacteria

Correct answer is A

No explanation has been provided for this answer.