WAEC Past Questions and Answers - Page 3969

19,841.

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.

19,842.

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.

19,843.

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.

19,844.

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.

19,845.

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.