JAMB Agricultural Science Past Questions & Answers - Page 27

131.

Legumes that produce edible seeds are known as

A.

Pulses

B.

Grains

C.

Cereals

D.

Beverages

Correct answer is A

Cowpea is a member of the pulses or legumes. It belongs to the family leguminoseae. It is rich in protein. The fruit of cowpea is called Pod.

132.

Water yam is also known as

A.

Dioscorea alata

B.

Dioscorea cayenesis

C.

Dioscorea rotundata

D.

Dioscorea bulbifera

Correct answer is A

Yam belongs to the family Dioscoreacea. It is a root and tuber crop grown in West Africa and it is rich in carbohydrates.Water yam (Dioscorea alata).

133.

Which of the following is not a pre-planting operations?

A.

Land clearing

B.

Stumping

C.

Thinning

D.

Farm layout

Correct answer is C

Pre planting operations are the operations carried out before planting. Thinning is a post planting operation.

 

134.

Cultural practices can be classified into the following except

A.

Pre-planting operations

B.

Planting operations

C.

Post-planting operations

D.

In-planting operations

Correct answer is D

Cultural practices are the various activities carried out on the farm before, during and after planting to ensure proper growth and establishment of crops.

135.

The botanical name of maize is

A.

Corn seed

B.

Zea mays

C.

Rattus rattus

D.

Discorea spp

Correct answer is B

Maize also called corn is a member of the grass family (Gramineae). It produces grains, use as food by human beings and livestock. Zea mays is botanical name of maize.