(a) List four soil conservation practices that can be used to control erosion on a gentle slope. [4 marks]

(b) Explain how each of the practices you have listed in 4(a) can be used to conserve the soil. [12 marks]

 (a) State four aims of crop improvement. [4 marks]

(b) Give four conditions necessary for seed germination. [4 marks]

(c) State the importance of conducting a germination test. [2 marks]

(d) Discuss briefly three problems associated with the use of poor quality planting materials. [6 marks]

(a) Discuss the production of cocoa (Theobroma cacao) under the following headings: (a) land preparation; [2 marks]

(b) climatic requirements; [3 marks]

(c) planting; [6 marks]

(d) one disease. [5 marks]

(a) (i) Define the term brooder as used in poultry production. [2 marks]

(ii) List four characteristics of a good layer. [4 marks]

(b) State four reasons for providing suitable housing for livestock. [4 marks]

(c) Give the scientific names of three fish species commonly stocked in a pond. [3 marks]

(d) State three qualities of a good pasture plant. [3 marks] 

(a) (i) Define the term culling in poultry production. [2 marks]

(ii) Mention three benefits derived from culling [3 marks]

(b) State four ways of preventing diseases in a sheep flock. [4 marks]

(c) Discuss the practice of paddocking as a way of improving rangeland. [4 marks]

(d) State three fishery regulations. [3 marks]