Waec Agricultural Science 2013 Past Questions and Answers

Question 66:

• WAEC 2013

(a) Define the term nursery as used in crop production[2marks]
(b) Give three reasons for establishing a nursery in crop production.[3marks]
(c) Mention three characteristics of weeds that make them difficult to control [3marks]
(d) List two methods of controlling weeds.[2marks]
(e)State three ways by which diseases are spread among crops [3marks]
(f) Mention three effects of diseases on crops [3marks]

Question 67:

• WAEC 2013

(a) List four cereal crops grown in West Africa [2marks]
(b) State three benefits of forest to the economic development of your country.[3marks]
(c) With the aid of a diagram, describe the life cycle of the variegated grasshopper. [6marks]
(d) List three cultural methods of controlling crop pests.[3marks]
(e) Give two uses of oil palm. [2marks]

Question 68:

• WAEC 2013

(a) Give three reasons why fish farming is important. [3marks]
(b) State three factors that influence the choice of a suitable site for a fish pond. [3marks]
(c) Mention two sources of each of the following feed nutrients: (i) water; (ii) proteins; (iii) carbohydrates; (vi)vitamins [8marks]
(d) Mention two ways by which roundworm infestatoin is of economic importance in livestock production. [2marks]

Question 69:

• WAEC 2013

(a) What is animal improvement? [2marks]
(b) Give three aims of animal improvement.[3marks]
(c) Define each of the following terms as used in animal reproduction: (i)parturition; (ii)gestation period. [4marks]
(d) Name i three systems in the body of farm animals.{3marks]
(e) Mention four advantages of castration in animal production. [4marks]

Question 70:

• WAEC 2013

(a) Define the term balance sheet.
(b) The financial data of Omega Dairy Farms Ltd as at December 31st 2012 are shown below:
Cash at bank - 200,000.00
Cash in hand - 70,000.00
Dairy cattle - 5,000.000.00
Milk - 300,000.00
Loans - 3,000,000.00
Initial capital - 4,000,000,00
Interest on loan payable - 600,000.00
Account receivable - 1,000,000.00
Taxes payable - 500,000.00
Milking machine - 1,500,000.00
Animal feed - 100,000.00
Use the data to prepare a balance sheet for Omega Dairy Farms Ltd as at December 31st 2012 (c) State two ways in which the balance sheet is important (d) Is the farm credit-worthy? Give a reason for your answer