WAEC Agricultural Science Past Questions & Answers - Page 191

952.

Which of the following combinations of practices best controls groundnut rosette disease?

A.

Late planting and spraying of insecticide

B.

Early planting and spraying of nematicide

C.

Late planting and spraying of fungicide

D.

Early planting and spraying of insecticide

Correct answer is D

No explanation has been provided for this answer.

953.

Which of the following pesticides effectively control maize stem borers?

A.

Systematic insecticides

B.

Contact poisons

C.

Nematicides

D.

Fumigants

Correct answer is A

No explanation has been provided for this answer.

954.

Which of the following insect pests causes defoliation in crops?

A.

Arid

B.

Grasshopper

C.

Weevil

D.

Aphid

Correct answer is B

No explanation has been provided for this answer.

955.

Floriculture is a subdivision of horticulture which deals with the cultivation of

A.

Fruit crops

B.

Vegetables

C.

Ornamental plants

D.

Spices

Correct answer is C

No explanation has been provided for this answer.