Economics 1985 Jamb Past Questions and Answers

Question 6 :

• JAMB 1985

Optimum population is desirable because it enables an economy to obtain maximum?

A. Per capita income
B. Per capital output
C. Per capita real income
D. Per capital revenue
E. Growth rate

Question 7 :

• JAMB 1985

The age distribution of a population is NOT influenced by?

A. Brith rates
B. Death rates
C. Patterns of immigration
D. Patterns of emmigration
E. School leaving age

Question 8 :

• JAMB 1985

One theory of population contends that population tends to increase much faster than the supply of food, and that if the growth in population is not checked , it will be checked by natural forces like misery disasters and food shortages. This theory was propounded by?

A. Prof. Paul Samuelson
B. Adam Smith
C. David Ricardo
D. Rev. Thomas Malthus
E. Prof. Ojetuuji Aboyade

Question 9 :

• JAMB 1985

\(\begin{array}{c|c}
\text{Units of Quantity consumed} & \text{Total utility} & \text{Marginal utility} \\
0 & --- & --- \\
1 & 10 & 10 \\
2 & 15 & 5 \\
3 & 17 & 2 \\
4 & 18 & 1 \\
5 & 18 & 0 \\
\end{array}\)
The table above illustrates the law of?

A. Diminishing marginal utility
B. Diminishing marginal productivity
C. Diminishing returns
D. Increasing returns
E. Increasing total utility

Question 10 :

• JAMB 1985

If in the short-run commodity X and commodity Y are supplied jointly, which of the following is correct?

A. An increase in demand for X will increase the supply of Y
B. An increase in demand for X will shift the supply of Y
C. An increase in demand for Y will raise the price of X
D. An increase in demand for X will cause less of Y to be produced
E. A probable tax on Y will cause more of X to be supplied