WAEC Agricultural Science Past Questions & Answers - Page 253

1,261.

A soil with low pH value can be improved by the addition of

A.

Ammonium sulphate

B.

Calcium carbonate

C.

Sodium chloride

D.

Sodium nitrate

Correct answer is B

No explanation has been provided for this answer.

1,262.

Which of the following soil properties cannot be easily altered?

A.

Structure

B.

Consistency

C.

Texture

D.

Fertility

Correct answer is B

No explanation has been provided for this answer.

1,263.

The rate of soil erosion is not affected by

A.

Vegetation cover

B.

Leaching

C.

Rainfall

D.

Topography

Correct answer is B

No explanation has been provided for this answer.

1,264.

Which of the following is not a factor of soil formation?

A.

Topography

B.

Land conservation

C.

Parent material

D.

Climate

Correct answer is B

No explanation has been provided for this answer.

1,265.

The factors involved in the formation of metamorphic rocks are

A.

Heat and pressure

B.

Pressure and humidity

C.

Humidity and chemicals

D.

Chemicals and pressure

Correct answer is A

No explanation has been provided for this answer.