(a) State three characteristics of agricultural non-governmental organizations. (b) State five objectives of each of the following: (i) West African Rice Development Agency (ii) International Institute of Tropical Agriculture (c) Mention three other non-governmental organizations involved in agricultural development.

(a) Define the term farmstead. (b) List four factors to be considered in planning a farmstead. (c) Explain the importance of the factors listed in (b) above. (d) Give two reasons for planning a farmstead.

(a) List four asexual methods of crop propagation. (b) Define the following terms: (i) mixed farming (ii) inter-cropping (iii) ley farming (c) State four advantages of each of mixed farming and inter-cropping. 

(a) Draw an annotated diagram of a water cycle. (b) State six importance of water to crops. (c) State four ways of conserving water in the soil.

 (a) List four ways by which diseases are spread on a crop farm. (b) State three symptoms and three control measures of each of the following diseases: (i) onion twister (ii) root-knot of tomato