JAMB Economics 1979 Question 2

Which of the following is not true of the theory of optimum population?

1. A.It is possible for a densely populated country to be underpopulated if it has insufficient labour to make the most effective use of its other factors
2. B.The quantity of labour, which combined with the other factors gives the minimum output, is known as optimum population
3. C.The quantity of labour, which combined with the other factors, gives the maximum output, is known as optimum population
4. D.The test of over-population is whether it exceeds the optimum
5. E.It is possible for a thinly populated country to be over-populated if it has a poor supply of other factors.