Waec Agricultural Science 2005 Past Questions and Answers

Question 16:

• WAEC 2005

Which of the following materials can be applied to the soil in order to correct yellowing of leaves?

A. Lime
B. Urea
C. Gypsum
D. Bone meal

Question 17:

• WAEC 2005

One importance of cover crops is that they

A. Provide shade for crops
B. Protect crops from pests
C. Increase soil acidity
D. Suppress weed growth

Question 18:

• WAEC 2005

The appropriate irrigation method for upland rice field is

A. Sprinkler
B. Drip
C. Flooding
D. Underground

Question 19:

• WAEC 2005

Drainage refers to

A. Removal of excess water from the soil
B. Removal of nutrients from the soil
C. Addition of water to the soil
D. Protection of soil from erosion

Question 20:

• WAEC 2005

Energy in fossil materials may be harnessed as

A. Water energy
B. Wind energy
C. Electrical energy
D. Fuel energy