JAMB Past Questions and Answers - Page 1461

7,301.

The following problems are usually associated with subsistence agriculture except

A.

Family labour supply is unreliable

B.

Simple tools are used

C.

It requires a large area of land

D.

No surplus for sale

Correct answer is C

The practice of commercial agriculture requires several hectares of land to operate successfully.

7,302.

This is the removal of unwanted plants on the farm

A.

Weeding

B.

Thinning

C.

Mulching

D.

Supplying

Correct answer is A

Weeding is the removal of unwanted plants (weeds) from the farm. It can be done with the aid of cutlass and hoes or by spraying herbicide. It is done for the following reasons:
-To avoid competition for nutrients, moisture, sunlight and space between crops and weed.
-To prevent the buildup of pest and pathogens.

7,303.

Some seeds are raised in the nursery because

A.

The seedlings are weak

B.

The seedling are green

C.

The seedlings love the nursery

D.

So that they can get enough sunshine

Correct answer is A

The seedlings are weak and may not survive in field. They require protection from sunlight and rainfall.

7,304.

Which of the following methods of storage is used for grains?

A.

Barns

B.

Cribs

C.

Silos

D.

Refrigerators

Correct answer is C

Silos is a tall round metal tower or pit on a farm used to store grain

7,305.

_________ is the artificial watering of farmland.

A.

Application

B.

Supplying

C.

Manuring

D.

Irrigation

Correct answer is D

Irrigation(watering) is the artificial watering of farmland especially during dry season.