WAEC Agricultural Science Past Questions & Answers - Page 48

236.

The process whereby rocks are broken down into small particles through both physical and chemical factors is known as

A.

Rock degradation

B.

Weathering

C.

Erosion

D.

Oxidation

Correct answer is B

Weathering is the process whereby rocks are broken down into small particles through factors such as rainfall, erosion etc.

237.

If a crop requires 1.5kg phosphorus per hectare, how many kg of manure will be required per hectare is 1kg manure contains 0.32kg of phosphorus.

A.

2.47kg

B.

4.69kg

C.

7.35kg

D.

12.3kg

Correct answer is B

If 1kg manure = 0.32kg of phosphorus
xkg manure = 1.5kg of phosphorus
(Cross multiply)

x = 1.5
0.32
= 4.69kg of manure

238.

The commonest method of land tenure in Nigeria is

A.

Outright purchase

B.

State allocation

C.

Pledge

D.

Inheritance

Correct answer is D

Land are popularly and commonly inherited in Nigeria, this has been the oldest and commonest land tenure in Nigeria.

239.

Increase in farm produce is not usually improved by the

A.

Use of improved crop varieties

B.

Increased use of manure and fertilizer

C.

Improved sales of crop and livestock

D.

Use of better farm equipment and tools

Correct answer is C

No explanation has been provided for this answer.

240.

Which of the following is not a source of farm credit?

A.

Mortgage banks

B.

Government agencies

C.

Agricultural banks

D.

Cooperative societies

Correct answer is A

Mortgage banks are banks that specializes in originating and / or servicing mortgage loans