WAEC Agricultural Science Past Questions & Answers - Page 275

1,371.

A vertical section through the soil is referred to as soil

A.

Profile

B.

Horizon

C.

Structure

D.

Texture

Correct answer is A

No explanation has been provided for this answer.

1,372.

Liming is used to correct soil's

A.

Neutrality

B.

Acidity

C.

Cation exchange capacity

D.

Porosity

Correct answer is B

No explanation has been provided for this answer.

1,373.

The chemical weathering that is responsible for changing haematite to limestone is

A.

Hydration

B.

Solution

C.

Oxidation

D.

Hydrolysis

Correct answer is A

No explanation has been provided for this answer.

1,374.

The most active agent of physical weathering of rocks in arid regions is

A.

Ice

B.

Water

C.

Wind

D.

Animals

Correct answer is C

No explanation has been provided for this answer.

1,375.

The physical factor affecting crop production is

A.

Man

B.

Temperature

C.

Micro-organisms

D.

Vegetation

Correct answer is B

No explanation has been provided for this answer.