Waec Agricultural Science 1999 Past Questions and Answers

Question 11:

• WAEC 1999

Which of the following rocks is formed from shale?

A. Marble
B. Slate
C. Quartzite
D. Limestone

Question 12:

• WAEC 1999

The horizon of soil profile which encourages the greatest level of microbial activity is

A. A-horizon
B. B-horizon
C. C-horizon
D. D-horizon

Question 13:

• WAEC 1999

The easiest method of determining soil texture in the field is by

A. Moulding
B. Sieving
C. Feeling
D. Sedimenting

Question 14:

• WAEC 1999

The type of soil with a particle size of 0.02 to 0.002 mm is

A. Clay
B. Silt
C. Fine sand
D. Coarse sand

Question 15:

• WAEC 1999

If urea fertilizer contains 46% nitrogen. calculate the amount of nitrogen in 25 kg bag of fertilizer?

A. 11.5 kg
B. 13.5 kg
C. 21.5 kg
D. 36.5 kg