WAEC Agricultural Science 1996 Past Questions

(a) List six relationship between Agriculture and Industries. (b) Explain six factors affecting the success of commercial agriculture in Nigeria. (c) List eight agricultural research institutes in Nigeria.

(a) Describe briefly four common survey equipment or tools including their various uses. (b) Enumerate the importance of farm surveying and planning in agriculture. 

Write short notes on the following: (a) soil pH; (b) soil texture; (c) soil organisms; (d) soil profile.

(a) With the aid of an annotated diagram only, illustrate the water cycle. (b) State three forms in which water exists in the soil (c) List five importance of water to crops.

 Describe briefly the cultivation of maize under the following headings: (a) land preparation; (b) propagation; (c) planting date; (d) seed rate; (e) spacing; (f) fertilizer requirement; (g) weeding; (h) harvesting; (i) storage

Write short notes on the following plant diseases. (a) blackpod of cocoa; (b) leaf blight of cassava.

(a) State: (i) four advantages and (ii) four disadvantages of the deep litter system in poultry management.

(b) Mention one disadvantage of using saw-dust as litter in a deep-litter house.

(c) The recommended floor space for fowls In a deep litter house is three (3) adult fowls per square metre. Calculate the number of adult fowls that can be kept in a deep-litter house of size 10 metre by 50 metre. (d) State three other methods of keeping poultry.

 (a) Define balance ration in livestock production.

(b) Outline the stages involved in the preparation of each of the following animal feed ingredients. (i) bone meal. (ii) blood meal; (iii) fish meal; (iv) cotton seed meal;

(a (i) State the law of supply in relation to agricultural production. (ii) Give an example of supply schedule and draw the supply curve for a named agricultural produce.

(b) State five causes of change in supply of an agricultural produce.

(a) State six reasons why farm accounts should be kept by a farmer.

(b) Prepare a profit and loss account for Ada Farms, for the year ending December, 1993 using the following information.

(i) cost of maize seeds- N1,500.00

(ii) cost of fertilizer - N1,600.00

(iii) cost of insecticides - N1,000.00

 (iv) tractor hiring- N1,000.00

(v) cost of herbicides- N1,200.00

(vi) cost of cassava stems N1300.00

(vii) sales of maize- N30,000.00

(viii) sales of yam tubers - N10,500.00

(ix) sales of cassava stems - N15,000.00

(x) transportation cost - N1,500.00

(xi) cost of processing cassava tubers - N 2,500.00

 (xii) sales of cassava stems - N 22,00.00

(xiii) wages of workers N 8,000.00

(xiv) miscellaneous expenses - N 2,000.00

(xv) maize consumed - N 500.00

(xvi) yam consumed - N 800.00

(xvii) opening valuation - N45,000.00

(xviii) closing valuation - N15,000.00