WAEC Agricultural Science Past Questions & Answers - Page 31

152.

The type of rock formed from accumulation of materials transported by water is called?

A.

Sedimentary rock

B.

Igneous rock

C.

Metamorphic rock

D.

Plutonic rock

Correct answer is A

No explanation has been provided for this answer.

153.

Drying of newly harvested grains before storage helps to increase the 

A.

Moisture content

B.

Pest incidence

C.

Seed viability

D.

Nutrient content

Correct answer is C

No explanation has been provided for this answer.

154.

The following factors are essential for maize production except

A.

High temperature

B.

Low temperature

C.

Relative humidity

D.

Adequate rainfall

Correct answer is A

No explanation has been provided for this answer.

155.

The phosphorus cycle is described as being sedimentary because phosphorus 

A.

Is a macroelement

B.

Is an earthbound element

C.

Is solid at room temperature

D.

Occurs in the atmosphere

Correct answer is A

No explanation has been provided for this answer.