Agricultural Science 2000 Waec Past Questions and Answers

Question 16 :

• WAEC 2000

Which of the following soil characteristics is constant?

A. Moisture content
B. Texture
C. Structure
D. Mineral matter content

Question 17 :

• WAEC 2000

A farmer who applies gypsum on his farmland intends to

A. Decrease soil acidity
B. Increase soil acidity
C. Decrease soil alkalinity
D. Increase soil alkalinity

Question 18 :

• WAEC 2000

In the nitrogen cycle,nitrosomonas and nitrobacter are responsible for

A. Ammonification
B. Nitrification
C. Dentrification
D. Nitrogen reduction

Question 19 :

• WAEC 2000

Wood ash and oil palm bunches are rich sources of

A. Potassium
B. Nitrogen
C. Molybdenum
D. Sulphur

Question 20 :

• WAEC 2000

If 200kg of NPK fertilizer is required for an hectare of maize farm, calculate the amount of the fertilizer required for 15 hectares of maize farm.

A. 600 kg
B. 2,000 kg
C. 3,000 kg
D. 6,000 kg