WAEC Agricultural Science Past Questions & Answers - Page 181

901.

A disadvantage of vegetatively propagated crops is that they

A.

Do not mature on time

B.

Are less resistant to diseases

C.

Do not withstand harsh conditions

D.

Lodge very readily

Correct answer is C

No explanation has been provided for this answer.

902.

The term hermetic storage of grains means keeping grains in

A.

Air-tight containers

B.

Jute bags

C.

Silos

D.

Rhombus

Correct answer is A

No explanation has been provided for this answer.

903.

If a crop is planted at a spacing of 100cm x 50cm. Calculate the plant population required for an hectare of farm land.

A.

200

B.

2,000

C.

5,000

D.

20,000

Correct answer is D

No explanation has been provided for this answer.

904.

In crop rotation, deep-rooted crops should follow shallow-rooted crops because deep-rooted crops

A.

Are resistant to diseases

B.

Are early-maturing

C.

Feed from different soil layers

D.

Attract different kinds of pests

Correct answer is C

No explanation has been provided for this answer.

905.

A bag of fertilizer had a ratio of 0:10:0 written on it. This means that the fertilizer contains

A.

0 kg of nitrogen, 10 kg of potash and 0 kg of phosphate

B.

0 kg of phosphate, 10 kg of nitrogen and 0 kg of potash

C.

0 kg of nitrogen, 10 kg of phosphate and 0 kg of potash

D.

0 kg of potash, 10 kg of phosphate and 0 kg of nitrogen

Correct answer is C

No explanation has been provided for this answer.