WAEC Past Questions and Answers - Page 1987

9,931.

The type of energy obtained from the sun for agricultural uses is known as

A.

Potential energy

B.

Mechanical energy

C.

Nuclear energy

D.

Solar energy

E.

Kinetic energy

Correct answer is D

No explanation has been provided for this answer.

9,932.

The relationship between the microorganisms and plant in the nitrogen cycle is best described as

A.

Parasitism

B.

Commensalism

C.

Competition

D.

Symbiosis

E.

Saprophytism

Correct answer is D

No explanation has been provided for this answer.

9,933.

The type of rocks formed from the molten magma is known as

A.

Sedimentary

B.

Igneous

C.

Metamorphic

D.

Schist

E.

Sandstone

Correct answer is B

No explanation has been provided for this answer.

9,934.

The earthworm is important to the farmer because it

A.

Improves soil structure

B.

Improves soil texture

C.

Destroys soil pathogens

D.

Adds nutrients to the soil

E.

Prevents soil erosion

Correct answer is A

No explanation has been provided for this answer.

9,935.

A farmer cultivating leafy vegetables will require fertilizers with a relatively high content of

A.

Calcium

B.

Magnesium

C.

Potassium

D.

Nitrogen

E.

Phosphorus

Correct answer is D

No explanation has been provided for this answer.