JAMB Agricultural Science Past Questions & Answers - Page 27

131.

The national tree-planting campaign is aimed at stimulating

A.

Wildlife conservation

B.

Afforestation

C.

Taungya farming

D.

Forest reservation

Correct answer is B

Afforestation is planting of trees where they have not been planted before.

132.

The scientific name for guinea grass is

A.

Panicum maximum

B.

Imperata cylindrica

C.

Cynodon dactylon

D.

Andropogon gayanus

Correct answer is A

Guinea grass is a pasture.

Panicum maximum is a perennial, tufted grass with a short, creeping rhizome. The stems of this robust grass can reach a height of up to 2 m. As the stems bend and nodes touch the ground, roots and new plants are formed. The leaf sheaths are found at the bases of the stems and are covered in fine hairs.

133.

To which of the following crops does the term 'ginning' apply?

A.

Kenaf

B.

Cocoa

C.

Groundnut

D.

Cotton

Correct answer is D

Ginning is the process of removing the seeds and debris from cotton.

134.

Which of the following groups of crops requires a nursery?

A.

Cotton, sorghum and tomato

B.

Oil palm, cocoa and tomato

C.

Cocoa, maize and rice

D.

Banana, coffee and tomato

Correct answer is C

Nursery, place where plants are grown for transplanting, for use as stock for budding etc.

135.

Cassava is mainly propagated by

A.

Seedlings

B.

Layering

C.

Budding

D.

Cuttings

Correct answer is D

Cassava stems are referred to as cuttings ,the stems are cut and planted directly into the soil.