WAEC Past Questions and Answers - Page 3851

19,251.

A review of occupational distribution of population from time to time helps us to know the

A.

Rate of which the population grows

B.

Number of people that makes up the labour force

C.

Efficiency of the working population

D.

Industries which are becoming less important

E.

number of people that are not employed

Correct answer is B

No explanation has been provided for this answer.

19,252.

The parameters of size, height, weight, and colour in a population of living things are examples of

A.

environmental variation

B.

non-heritable variations

C.

continuous variations

D.

discontinuous variations

Correct answer is C

No explanation has been provided for this answer.

19,253.

Which of the following is an example of variation?

A.

Blood

B.

Tongue rolling

C.

Reproduction

D.

Growth

Correct answer is B

No explanation has been provided for this answer.

19,254.

The main reason for the conservation of wildlife is to

A.

create national parks for recreation

B.

maintain ecological balance in communities

C.

prevent hunters from being cruel to animals

D.

save some species from extinction

Correct answer is D

No explanation has been provided for this answer.

19,255.

Economics is a science which studies human behaviours as a relationship between ends and scarce means which have alternative uses. 'Ends' here refers to

A.

Resource

B.

Wants

C.

Choice

D.

Output

E.

Factors

Correct answer is B

One of the many definitions of Economics states “Economics is a science that studies the human behaviour as a relation between unlimited ends and the limited means.

Ends = the human needs/wants. 
Means = resources.