WAEC Agricultural Science Past Questions & Answers - Page 156

776.

Close to the time of harvesting of cotton, sunshine is needed to ensure the production of boils that are

A.

Big

B.

Light

C.

Not mouldy

D.

Not open

Correct answer is C

No explanation has been provided for this answer.

777.

If the recommended spacing for a tree crop is 2.5cm by 4.0m.determine the number of seedlings required to plant a 2 hectare farmland.

A.

1,000

B.

2,000

C.

10,000

D.

20,000

Correct answer is B

No explanation has been provided for this answer.

778.

Crop rotation decreases the incidence of pests by

A.

Breaking life cycles of pests

B.

Attracting pest predators

C.

Sterilizing the soil

D.

Maintaining soil fertility

Correct answer is A

No explanation has been provided for this answer.

779.

The process of grafting in crop production involves

A.

The fusion of gametes of two crops

B.

Indicating rooting from stems

C.

The transfer of a bud from one crop to another

D.

The joining of two parts from related crops

Correct answer is D

No explanation has been provided for this answer.

780.

Which of the following crops has a fibrous root system?

A.

Cotton

B.

Coffee

C.

Cowpea

D.

Sugarcane

Correct answer is D

No explanation has been provided for this answer.