(a) Define the following terms:
(i) optimum population;
(ii) over-population;
(iii) population density 

(b) The total population of country Q in the year 1998 was 4 million. If the land area of country Q is 400,000 km2, calculate the population density of country Q

(c) Highlight four disadvantages of the population density calculated in (b) above on the economy of country

(a) Draw an outline map of Nigeria. On the map, locate and name;
(i) the Gulf of Guinea; (ii) the Bight of Bonny; (iii) latitude 14°N; (iv) the country to the Western border; (v) the Federal Capital Territory

(b) Describe the size and location if Nigeria in relation to other countries of West Africa 
 

(a) Draw a sketch map of Nigeria. On the map, locate and name'
(i) the Mid-West industrial zone;
(ii) the South-East industrial zone'
(iii) the North-Central industrial zone;
(iv) one important town in each zone in (a)(i) — (iii) above

(b) Highlight three problems faci,ng manufacturing industries in Nigeria.

(c) Suggest solutions to any two of the problems highlighted in 5(b) above 
 

(a) Draw a sketch map of Nigeria. On the map, locate and name;
(i) The Eastern Railway Line;
(ii) four major stations along the railway line in (a)(i) above

(b) Outline three advantages of rail transportation in Nigeria

(c) Highlight three limitations of rail transportation in Nigeria 

(a) Draw a sketch map of Africa. On the map, show and name one area of any two of the following
(i) Equatorial climate;
(ii) Mediterranean climate;
(iii) Hot Desert climate;
(iv) Tropical Continental climate

(b) Highlight four characteristics of the Equatorial climate

(c) Outline three ways in which forest vegetation is of economic importance in Africa