Waec Agricultural Science 1996 Past Questions and Answers

Question 61:

• WAEC 1996

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

Question 62:

• WAEC 1996

(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.

Question 63:

• WAEC 1996

(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;

Question 64:

• WAEC 1996

(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.