Waec Agricultural Science 2007 Past Questions and Answers

Question 56:

• WAEC 2007

Which of the following statements is not true about profit and loss account of a farm?

A. It is prepared at the end of business period usually a year
B. All expenses and purchases are listed on the right-hand side
C. All expenses and purchases are listed on the left-hand side
D. All receipts and sales are listed on the right-hand side

Question 57:

• WAEC 2007

Agricultural education programmes for rural youth will reduce the

A. Rate of adoption of innovations
B. Population of youth in rural areas
C. Age at which youth will venture into family life
D. Dependncy of youth on parents

Question 58:

• WAEC 2007

. (a) Give eight characteristics of agricultural systems in West Africa. (b) Explain four ways in which land tenure systems affect agricultural production in your country.

Question 59:

• WAEC 2007

(a) Explain the following terms: (i) primary tillage implement; (ii) secondary tillage implement.
(b) (i) State three reasons why disc ploughs are better suited for soils in West Africa than the mouldboard ploughs. (ii) List six major parts of a disc plough.
(c) Give three reasons why secondary tillage is necessary before sowing of seeds. (d) State three precautions a farmer should take when spraying chemicals

Question 60:

• WAEC 2007

(a) State three ways by which nitrogen is added to soil in the Nitrogen cycle.
(b) List five ways by which nitrogen is lost from the soil.
(c) State the importance of the Nitrogen cycle.
(d) Explain three processes leading to the formation of nitrate from organic matter in the Nitrogen cycle.