(a) Describe the methods of irrigation agriculture in either the Nile Valley or the Niger Valley

(b) Give reasons for the irrigation agriculture in any one of the river valleys

(c) Discuss the problems associated with irrigation agriculture in the river valley you have chosen above 
 

(a) Discuss the main features of rotational bush fallowing in West Africa

(b) Describe the major factors affecting the practice of bush fallowing in West Africa

(c) Explain the problems associated with this farming method. 
 

(a) Draw a sketch map of Africa and on it mark and name the following dams:
(i) Kariba
(ii) Aswan
(iii) Cabora Bassa
(iv) Akosombo
(v) Owen

(b) With reference to specific examples in Africa, discuss the importance of hydro-electric power projects to the economy

(c) Explain the problems facing the development of hydro-electric power projects in Tropical Africa. 
 

(a) Describe the methods of lumbering used in either Zaire or Nigeria

(b) Discuss the problems associated with the exploitation of timber in the area

(c) Using relevant examples, discuss the economic importance of lumbering in Equatorial Africa. 
 

Write a geographical account of ECOWAS under the following headings

(a) Aims and objectives

(b) Membership

(c) Possible solutions