WAEC Agricultural Science Past Questions & Answers - Page 351

1,751.

In which of the following ways are metamorphic rocks formed?

A.

By physical distintegration of igneous rocks

B.

By alternative layering of particles of sedimentary and igneous rocks

C.

By the combination of igneous and sedimentary rocks

D.

Through biological change of original rock

E.

Through chemical changes caused by heat and pressure

Correct answer is E

No explanation has been provided for this answer.

1,752.

The type of crop planted and the livestock raised in any given area depends primarily on the

A.

Type of climate

B.

Physical factors

C.

Biotic factors

D.

Socio-economic factors

E.

Edaphic factors

Correct answer is A

No explanation has been provided for this answer.

1,753.

Land is considered to be an essential factor in agricultural production because

A.

It is most abundant

B.

It is important for development

C.

Crop, fisheries and livestock production are practised on land

D.

It cannot be increased in quantity

E.

Crop production is usually done on land

Correct answer is C

No explanation has been provided for this answer.

1,754.

Which of the following factors may be considered in adopting a particular method of irrigation?

A.

Topography of the land

B.

Characteristics of the soil

C.

Type of farming system

D.

Type of crops to be grown

E.

Size of land to be irrigated

Correct answer is C

No explanation has been provided for this answer.

1,755.

Prolonged application of ammonium sulphate fertilizer on a given soil can lead to the

A.

Decay of tuber and root crops

B.

Increase in beneficial soil micro-organisms

C.

Increase in soil acidity

D.

Damage of soil structure

E.

Increase in the alkalinity of soil

Correct answer is C

No explanation has been provided for this answer.