(a) What is elasticity of demand? [2 marks]
(b) Explain each of the following terms as used in agricultural production: (i) collateral: (ii) farm inventory record. [4 marks]
(c) State three merits and three demerits of the retailer in the marketing of agricultural produce, [6 marks]
(d) State two roles of each of the following hormones in animal reproduction: (i) testosterone; (ii) progrestrone. [4 marks]
(e) List four ways of preserving fish. [4 marks]
(a) Highlight five roles of agricultural extension in agricultural development in West Africa. [5 marks]
(b) Outline four problems faced by agricultural extension workers in West Africa. [4 marks]
(c) Discuss the cultivation of groundnut under the following headings: (i) soil requirements (ii) method of propagation: (iii) two methods of storage [5 marks]
(d) Mention two field pests and two storage pests of maize. [4 marks] ,
(a) Explain the term animal nutrition, [2 marks]
(b) State four functions of oestrogen in animal reproduction [4 marks]
(c) Explain each of the following methods of animal improvement: (i) selection: (ii) breeding; (iii) introduction [6 marks]
(d) What are ornamental plants? [2 marks]
(e) State four vegetative methods that could be used to propagate ornamental plants. [4 marks]
(a) Differentiate between land ownership by leasehold and land ownership by freehold. [ 2 marks ]
(b) Mention five ways in which non-governmental organizations contribute to agricultural
development in West Africa. [ 5 marks ]
(c) State four ways in which rural-urban migration has hindered agricultural development in West Africa. [ 4 marks ]
(d) Mention three socio-economic uses of land. [ 3 marks ]
(e) Explain two ways by which each of the following environmental factors affect agricultural production:
(a) State two advantages and two disadvantages of using biogas as a source of farm power. [ 4 marks ]
(b) Mention eight simple farm tools. [ 4 marks ]
(c) List two common storage structures and two processing structures that could be found on a farmstead in West Africa. [ 4 marks ]
(d) Explain the term denitrification. [ 2 marks ]
(e) Describe the following components of the soil:
(i) mineral matter;
(ii) organic matter. [ 4 marks ]
