WAEC Past Questions and Answers - Page 3631

18,151.

An increase in marginal propensity to save will lead to

A.

An increase in marginal propensity to consume

B.

A decrease in the level of consumption

C.

An immediate decrease in the net national income

D.

An increase in the level of consumption

E.

A decrease in the level of savings

Correct answer is B

No explanation has been provided for this answer.

18,152.

Which of the following organs in mammals is not excretory in function?

A.

Liver

B.

Kidney

C.

Pancreas

D.

Lungs

Correct answer is C

No explanation has been provided for this answer.

18,153.

Gaseous exchange occurs through the following structures in some organisms except 

A.

spiracle and tracheae

B.

alveoli and lungs

C.

stomata and lenticels

D.

chloroplast and plastids

Correct answer is D

No explanation has been provided for this answer.

18,154.

The expenditure of a firm on goods and services for the expansion of its productive capacity is known as

A.

Income

B.

Investments

C.

Savings

D.

Profits

E.

Interest

Correct answer is B

No explanation has been provided for this answer.

18,155.

Which of the following is a factor affecting the size of national income?

A.

Size of the active population

B.

Taste of the consumers

C.

Number of registered trade unions

D.

Credit-worthiness of the neighbouring countries

E.

Regularity of payment of national debt

Correct answer is A

No explanation has been provided for this answer.