Waec Agricultural Science 1999 Past Questions and Answers

Question 61:

• WAEC 1999

(a) State two each of (i) climatic, (ii) biotic and (iii) edaphic factors affecting distribution and production of crops a animals in your country. (b) State three climatic and two soil requirements for optimum production of each of ya and tomatoes.

Question 62:

• WAEC 1999

(a) Describe briefly six ways in which soil organisms aid the formation of soils. (b) State four ways in which soil organisms improve soils for crops growth.

Question 63:

• WAEC 1999

Describe briefly the production of cowpea under the following headings; (a) land preparation; (b) planting; (c) fertilizer application; (d) weeding; (e) harvesting; (f) processing; (g) storage.

Question 64:

• WAEC 1999

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

Question 65:

• WAEC 1999

(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.