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.

2,616.

One of the uses of variation is in

A.

determining the size and weight of an individual

B.

determining paternity

C.

Wildlife conservation

D.

controlling disease vectors

E.

sex determination

Correct answer is B

No explanation has been provided for this answer.

2,617.

Which of the following farm practices can cause loss of soil fertility?

A.

Mulching

B.

Compost application

C.

Using fertilizers

D.

Terracing

E.

intensive cropping

Correct answer is E

No explanation has been provided for this answer.

2,618.

In palm wine, yeast acts as a

A.

carrier

B.

culturing agent

C.

preservative

D.

catalyst

E.

sweetening agent

Correct answer is D

No explanation has been provided for this answer.

2,619.

The farming practice in which an exhausted farm land is left for a number of years before cultivation is
known as

A.

crop rotation

B.

continuous cropping

C.

monocropping

D.

bush fallowing

E.

mixed cropping

Correct answer is D

No explanation has been provided for this answer.

2,620.

Crops grown mainly to feed animals are called

A.

forage crops

B.

here crops

C.

wood crops

D.

oil crops

E.

spices

Correct answer is A

No explanation has been provided for this answer.