WAEC Agricultural Science Past Questions & Answers - Page 92

456.

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.

457.

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.

458.

Organisms which may be beneficial to crop include

A.

Nematodes

B.

Bacteria

C.

Viruses

D.

Protozoa

Correct answer is B

No explanation has been provided for this answer.

459.

A socio-cultural factor affecting land availability for agriculture include use of land for

A.

Constructing road

B.

Building houses

C.

Building factories

D.

Building religious houses

Correct answer is D

No explanation has been provided for this answer.

460.

The system in which a farmer uses a piece of land for a period and abandons it for another land is called

A.

Crop rotation

B.

Mix cropping

C.

Shifting cultivation

D.

Ley farming

Correct answer is C

No explanation has been provided for this answer.