Waec Agricultural Science 2010 Past Questions and Answers

Question 16:

• WAEC 2010

The following farming practices expose the soil to agents of erosion except

A. Bush burning
B. Land clearing
C. Crop rotation
D. Overgrazing

Question 17:

• WAEC 2010

Which of the following effects is not due to water-logging?

A. Inhibition of crop development
B. Enhancement of leaching
C. Inhibition of the activities of soil microorganisms
D. Wilting of crop roots

Question 18:

• WAEC 2010

An advantage of sprinkler irrigation is that

A. It assists farmers to raise a greater varity of crops
B. It is easy to instal
C. Large areas of land can be irrigated
D. It can be afforded by peasant farmers

Question 19:

• WAEC 2010

The main sources of farm power in West Africa are

A. Wind,solar and mechanical
B. Human,animal and mechanical
C. Mechanical,solar and human
D. Electrical,mechanical and solar

Question 20:

• WAEC 2010

The function of the mouldboard in a mouldboard plough is to

A. Cut a horizontal line in the soil
B. Give support to the share
C. Invert the furrow slice
D. Keep the equipment steady during operation