(a). State three effects of maize weevil on maize grains. (b) Explain briefly five general control measures of insect pests of grains in storage. (c) Name the vector for each of the following crop diseases: (i) groundnut rosette; (ii) maize streak; (iii) cassava mosaic. 

(a) State seven reasons for good housing in poultry management. (b) Describe briefly nine essential features of a poultry deep litter house

a) Explain the term ration. (b) Name four classes of livestock feed and list two characteristics of each class. Distinguish between maintenance and production rations

 (a) List four marketing agents for agricultural products. (b) Discuss briefly four importance of middlemen in agricultural marketing. (c) Outline eight problems of agricultural marketing in Nigeria.

Explain briefly the following terms in farm management: (a) farm valuation. (b) cash analysis account; (c) profit and loss account; (d) balance sheet.