WAEC Past Questions and Answers - Page 3289

16,441.

The demand curve for a commodity is downward sloping because the consumer will pay

A.

Less as the marginal utility falls

B.

More as the marginal utility falls

C.

Less as the total utility falls

D.

More as the average utility falls

Correct answer is C

The demand curve is downward sloping, indicating the negative relationship between the price of a product and the quantity demanded. This means that, consumers consume more or less of the commodity. The consumer will be unwilling to pay for a commodity whose total utility is declining

16,442.

A demand schedule shows the quantities of goods that are

A.

Bought at given price at a time

B.

Supplied at given prices at a time

C.

Produced at given prices at a time

D.

Reserved for future consumption

Correct answer is A

A demand schedule is a table that shows the quantity demanded of a good or service at different price levels. 

16,443.

The focal length of the eye-piece of an astronomical telescope is f1, while the focal length of the object is f2. Fro normal adjustment, the angular magnification is given by

A.

\(\frac{f_2}{f_1}\)

B.

1 - \(\frac{f_2}{f_1}\)

C.

\(\frac{f_2}{f_1}\) - 1

D.

\(\frac{f_1}{f_2}\)

Correct answer is A

No explanation has been provided for this answer.

16,444.

Where a commodity takes an insignificant proportion of the consumer's income, demand for it will be

A.

Unitary elastic

B.

Price inelastic

C.

Fairly elastic

D.

Income inelastic

Correct answer is D

Income inelastic  means that consumer demand would not change in response to a change in income.

16,445.

Presbyopia is a defect of the eye resulting from

A.

weak ciliary muscles

B.

short eyeball

C.

loss of sphericity of the lens

D.

long eyeball

Correct answer is A

No explanation has been provided for this answer.