Meaning and theories of population - Jamb Economics Past Questions and Answers

Question 6:

• JAMB 2017

The population theory that is concerned with the cases of over population and shortage of food production is ______

A. Population density
B. Malthusian population theory
C. National population theory
D. Demographical transition theory

Question 7:

• JAMB 1978

Malthus became famous through his theory which may be stated simply

A. The death rate may become so high that people may not be able to produce
B. Population may outgrow the means of subsistence
C. People will eventually decide not to have children
D. Migration of people from one place to another may leave some parts of the world barren
E. All of the above

Question 8:

• JAMB 1981

If P₈ and P₉ represent the population of West African in 1978 and 1979 respectively, and given that in 1979.
D= number of deaths, B= number of births, I= number of immigrants, E= number of Emigrants. Then the size of the population in 1979 is given by

A. P₉ = P₈ + D - B = I - E
B. P₉ = P₈ + B - D + I - E
C. P₉ =P₈ + B - D + E - I
D. P₉ = B - D + I - E
E. P₉ = P₈ + B + D + I + E

Question 9:

• JAMB 1982

We can classify the people of Nigeria into three broad age group :Group one, 0-15years ; Group Two,16-64years; Group Three, 65years and above. Group Two is the most important economically because

A. It is the dependent population of Nigeria, economically
B. All student in Nigeria are in this group
C. More than 50% of all Nigerians are in this group
D. It is the most expensive group of the economy
E. It is the productive group of the economy

Question 10:

• JAMB 1982

Population growth can be calculated as ?

A. Birth rate + death rate + migration rate + immigration rate
B. Birth rate – death rate + migration rate -immigration rate
C. Birth rate + death rate – migration rate + immigration rate
D. Birth rate – death rate – emigration rate + immigration rate
E. Birth rate – death rate