Waec Agricultural Science 2006 Past Questions and Answers

Question 66:

• WAEC 2006

(a) List four ways by which diseases are spread on a crop farm. (b) State three symptoms and three control measures of each of the following diseases: (i) onion twister (ii) root-knot of tomato

Question 67:

• WAEC 2006

(a) Define an insecticide (b) List four groups of insecticides. (c) For each of the following pests, name the class of pesticide used for their control: (i) grasshoppers (ii) rats (iii) weaver birds (iv) eelworms (d) Enumerate two effects of each of the following pest control measures on the environment: (i) chemical (ii) cultural (iii) biological

Question 68:

• WAEC 2006

(a) Explain the term candling in chicks production. (b) Write notes on the intensive method of managing poultry under the following headings: (i) sanitation (ii) feeding (c) List six breeds of pigs.

Question 69:

• WAEC 2006

(a) With the aid of an annotated diagram, describe the life cycle of the liver-fluke (Fasciola hepatica). Explain how you will prevent the liver-fluke from completing its life cycle in the field. (c) List three effects of lice on animal production.

Question 70:

• WAEC 2006

(a) State five reasons why farm accounts are kept. (b) Using the following information, prepare a profit and loss account for UNITY FARM, for the year ending December, 2005.
(i) Cost of maize seeds - -D1,400.00
(ii) Cost of fertilizers - D1,200.00
(iii) Cost of insecticides - D1,900.00
(iv) Tractor hiring - D2,000.00
(v) Cost of herbicides - D1,100.00
(vi) Cost of cassava stems - D1,200.00
(vii) Sales of maize - D29,000.00
(viii) Sales of yam - D7,000.00
(ix) Sales of cassava tubers - D5,500.00
(x) Cost of processing cassava tubers - D1,500.00
(xi) Wages of workers - D6,000.00
(xii) Miscellaneous expenses - D4,400.00
(xiii) Maize consumed - D300.00
(xiv) Potato gift to visitors - D1,000.00 )