WAEC Agricultural Science Past Questions & Answers - Page 56

276.

Blast of rice is a

A.

Viral disease

B.

Bacteria disease

C.

Fungal disease

D.

Deficiency of zinc disease

Correct answer is C

No explanation has been provided for this answer.

277.

Which of the following nutrient is highly immobile in plants?

A.

B

B.

Mg

C.

K

D.

P

Correct answer is A

Boron (B) is highly immobile because of its size.

278.

Ideal pH for coffee cultivation is

A.

4.0 - 4.5

B.

5.0 - 5.5

C.

6.0 - 6.5

D.

6.5 - 7.5

Correct answer is D

No explanation has been provided for this answer.

279.

Fertilizer application in maize should be completed before

A.

Tasseling

B.

Silking

C.

Riponing

D.

Knee high stage

Correct answer is C

No explanation has been provided for this answer.

280.

The non-oil crop among the following is

A.

Coconut

B.

Beniseed

C.

Melon

D.

Cowpea

Correct answer is D

No explanation has been provided for this answer.