WAEC Past Questions and Answers - Page 3833

19,161.

Demand in Economics is synonymous with

A.

Needs

B.

Wants of the consumer

C.

All goods demanded in the market

D.

Wants supported with ability to pay

E.

All consumers goods

Correct answer is D

No explanation has been provided for this answer.

19,162.

Which of the following activities promotes forest conservation?

A.

Lumbering

B.

Using firewood to cook

C.

Afforestation

D.

Producing paper

Correct answer is C

No explanation has been provided for this answer.

19,163.

Which of the following practices improves crop yield in clayey soil? Addition of

A.

more water and humus

B.

lime and humus

C.

fertilizers

D.

weedicides and fertilizers

Correct answer is B

No explanation has been provided for this answer.

19,164.

Leguminous crops are incorporated into crop rotation in order to

A.

improve aeration of the soil

B.

promote nitrogen fixation

C.

increase the rate of soil formation

D.

improve upon the water holding capacity of the soil

Correct answer is B

No explanation has been provided for this answer.

19,165.

Vaccination results in

A.

aiding red blood cells to carry more oxygen

B.

production of antibodies that destroy germ toxins

C.

arresting excessive bleeding

D.

production of white blood cells which engulf and digest bacteria

Correct answer is B

No explanation has been provided for this answer.