WAEC Past Questions and Answers - Page 1577

7,881.

Which of the following pairs of farming systems uses bush fallowing?

A.

Crop rotation and land rotation

B.

Shifting cultivation and land rotation

C.

Land rotation and mixed farming

D.

Crop rotation and monoculture

Correct answer is B

No explanation has been provided for this answer.

7,882.

A major disadvantage of monoculture is that

A.

Soil texture is destroyed

B.

Soil microbes are destroyed

C.

Diseases and pests build up

D.

Farms cannot be mechanized

Correct answer is C

No explanation has been provided for this answer.

7,883.

A mass of decayed plant and animal wastes processed in pits is referred to as

A.

Green manure

B.

Farmyard manure

C.

Compost manure

D.

Inorganic manure

Correct answer is C

No explanation has been provided for this answer.

7,884.

What is the function of nitrosomonas bacteria in the nitrogen cycle?

A.

Ammonification

B.

Nitrification

C.

Denitrification

D.

Nitrogen fixation

Correct answer is A

No explanation has been provided for this answer.

7,885.

Nutrient replenishment in soil can be enhanced by

A.

Crop removal

B.

Leaching

C.

Erosion

D.

crop rotation

Correct answer is D

No explanation has been provided for this answer.