Agricultural Science questions and answers

Agricultural Science Questions and Answers

A comprehensive list of Agricultural science questions with answers to help you prepare for JAMB, WAEC, NECO, Post UTME exams.

386.

Use the information below to answer this question.

I. Yellowing of leaves
II. Raised brown spots on the leaves
III. Drying up of leaves
IV. Exudation of gum

The disease of citrus described above is

A.

Die-back

B.

Gummosis

C.

Tristeza

D.

Blight

Correct answer is B

No explanation has been provided for this answer.

387.

Soil-borne diseases could be controlled in the nursery by

A.

Mulching

B.

Manuring

C.

Heat treatment

D.

Provision of shade

Correct answer is C

No explanation has been provided for this answer.

388.

Which of the following crops is correctly matched with a disease that affects it?

A.

Maize - smut

B.

Sorghum - scab

C.

Rice- black arm

D.

Yam- blast

Correct answer is A

No explanation has been provided for this answer.

389.

The most common way of controlling weeds in tree crop plantations is by

A.

Crop rotation

B.

Hand pulling

C.

Flooding

D.

Slashing

Correct answer is D

No explanation has been provided for this answer.

390.

Damping of disease of tomato could be controlled by

A.

Staking

B.

Supplying

C.

Thinning

D.

Pruning

Correct answer is A

No explanation has been provided for this answer.