Waec Agricultural Science 2009 Past Questions and Answers

Question 16:

• WAEC 2009

Which of the following fertilizers should be applied for good plant growth after prolonged use of sulphate of ammonia on a neutral soil?

A. Ammonium nitrate
B. Lime
C. Urea
D. Single superphosphate

Question 17:

• WAEC 2009

Which of the following statements indicate advantages of sub-surface irrigation? I. Low operation cost once established II. Does not disturb the movement of implements III. Permits efficient use of water IV. easily floods the field

A. I,II and III only
B. II,III and IV only
C. I,II and IV only
D. I,II,III and IV

Question 18:

• WAEC 2009

The removal of excess water from the sub-soil is known as

A. Irrigation
B. Drainage
C. Evaporations
D. Dehydration

Question 19:

• WAEC 2009

The best source of farm power for agricultural production is

A. Human power
B. Animal power
C. Mechanical power
D. Solar power

Question 20:

• WAEC 2009

The greatest disadvantage of using a bulldozer in land clearing is that it

A. Removes the fertile top soil along with the vegetation
B. Makes the soil lose its texture
C. Allows the fast growth of weeds after clearing
D. Increases the incidence of pests