WAEC Agricultural Science Past Questions & Answers - Page 99

491.

The propety of soil which cannot easily be change by a famer is the

A.

Porosity

B.

Structure

C.

Texture

D.

Acidity

Correct answer is C

No explanation has been provided for this answer.

492.

A soil sample with a pHof 4.5 is said to be

A.

Acidic

B.

Alkaline

C.

Neutral

D.

Fertile

Correct answer is A

No explanation has been provided for this answer.

493.

What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried

A.

20.14%

B.

25.00%

C.

33.33%

D.

60.00%

Correct answer is C

No explanation has been provided for this answer.

494.

Soil profile important in agriculture because it

A.

Determines the soil catena

B.

Determines the type of the land tenure system

C.

Gives indication of types of crops to grow

D.

Promotes the weathering of rocks

Correct answer is C

No explanation has been provided for this answer.

495.

Which of the following rocks is sedimantary?

A.

Limestone

B.

Gabbro

C.

Granite

D.

Marble

Correct answer is A

No explanation has been provided for this answer.