Waec Agricultural Science 2009 Past Questions and Answers

Question 61:

• WAEC 2009

The method of disseminating new farming techniques to farmers include the following except

A. Result demonstration
B. Use of radio
C. Use of television
D. Organising symposia

Question 62:

• WAEC 2009

(a)(i) What is an agricultural system [2 marks] (ii) List five agricultural systems practised in West Africa. [5 mar]
(b) State four ways in which non-governmental organisations contribute to agricultural production. [4 mar
(c) Give one function of each of the following components of an incubator: (i) counter (ii) thermostat; (iii) hygrometer (iv) egg tray; (v) heater. [5 marks each]

Question 63:

• WAEC 2009

(a) Enumerate six factors that limit food production in West Africa. [6 marks]
(b) State three advantages and three disadvantages of solar energy as a source of farm power. [6 marks]
(c) List four tractor-coupled implements [4 marks]

Question 64:

• WAEC 2009

(a) State four characteristics of clay. [4 marks]
(b) Mention four effects of drought on plant growth and development [4 marks]
(c) List two symptoms of phosphorus deficiency in crops. [2 marks]
(d) State three ways in which each of the following soil properties is important in crop production:(i) soil reaction; (ii) soil temperature. [6 marks]

Question 65:

• WAEC 2009

(a) List four soil conservation practices that can be used to control erosion on a gentle slope. [4 marks]
(b) Explain how each of the practices you have listed in 4(a) can be used to conserve the soil. [12 marks]