(a) State six aims of crop improvement. (b) Explain briefly 'introduction' as a method of crop improvement.

(a) List four breeds of goats. (b) Discuss briefly the extensive system of rearing any ruminant. (c) State three reasons for rearing goats. (d) List three common diseases of cattle.

(a) State six functions of protein in the body of a farm animal. (b) List five (i) animal- protein; (ii) plant-protein sources used in livestock feeding.

(a) Explain briefly the term farm valuation. (b) Prepare a Profit and Loss Account for a farm from the following information: 

maize seeds for planting  - N25,000.00

fertilizers used - N14,800.00

pesticides  - N20,000.00

purchase of seed yams  - N50,000.00

tractor hire - N60,000.00

transport cost  - N10,000.00

workers' wages  - N40,000.00

sale of maize cobs - N250,000.00

yam tubers sold - N200,000.00

opening valuation - N440,000.00

closing valuation - N200,000.00

(a) Explain the term extension in agriculture. (b) State eight functions of an extension agent. (c) List six problems of agricultural extension in your country