WAEC Agricultural Science Past Questions & Answers - Page 76

376.

Which of the following practices is an example of a cultural weed control method?

A.

Use of insects

B.

Mowing

C.

Application of herbicides

D.

Mulching

Correct answer is D

No explanation has been provided for this answer.

377.

Which of the following insect-pests does not attack cotton?

A.

Aphid

B.

Cotton stainer

C.

Weevil

D.

Pink bollworm

Correct answer is C

No explanation has been provided for this answer.

378.

Insect-pests of crops could be controlled by

A.

Cover-cropping

B.

Mulching

C.

Crop rotation

D.

Organic manuring

Correct answer is C

No explanation has been provided for this answer.

379.

Which of the following pairs of diseases attack coffee?

A.

Mosaic and smut

B.

Smut and ridge

C.

Rust and mosaic

D.

Rust and leaf spot

Correct answer is D

No explanation has been provided for this answer.

380.

Which of the following practices is not a way of maintaining ornamental plants?

A.

Pruning

B.

Weeding

C.

Watering

D.

Harvesting

Correct answer is D

No explanation has been provided for this answer.