WAEC Agricultural Science Past Questions & Answers - Page 98

486.

Maize is a popular crop in West Africa because it

A.

is a cereal

B.

Has multiple uses

C.

Is of high nutritional value

D.

Was introduced from Europe

Correct answer is B

No explanation has been provided for this answer.

487.

Tabacco belongs to the group of crops called

A.

Fibres

B.

Beverages

C.

Stimulants

D.

Cereals

Correct answer is C

No explanation has been provided for this answer.

489.

Application of water to the subsoil through perforated pipes is known as

A.

Flooding irrigation

B.

Subsurface irrigation

C.

Spinkler irrigation

D.

Overhead irrigation

Correct answer is D

No explanation has been provided for this answer.

490.

A farmer continuously applies sulphate of ammonia to his faemland for many years, the resulatant soil solution is most likely to

A.

Leave blue litmus paper unchanged

B.

Change blue litmus paper to red

C.

Change red litmus paper to blue

D.

Be rich in soil microbes

Correct answer is B

No explanation has been provided for this answer.