(a) Distinguish between irrigation and drainage (b) State and explain four systems of irrigation and two of drainage.

Describe briefly the economic importance and the control measures of the following: (a) Stem borers of cereal, (b) Grain weevils of stored produce: (c) Cotton stainer; (d) Cassava mealy bug

Write short notes on the following: (a) Selective exploration; (b) Deforestation; (c) Regeneration (d) Afforestation 

Discuss rinderpest disease of livestock under the following sub-headings: (a) Causal organism; (b) Transmission c) Symptoms (d) Effects and economic importance (e) Control 

(a) What is meant by agricultural extension ? (b) Discuss briefly how the following can be used disseminating new idea and techniques to farmers in Nigeria. (i) mass media; (ii) individual method; (iii) group method