Waec Agricultural Science 2014 Past Questions and Answers

Question 11:

• WAEC 2014

The practice of growing different crops in sequence on a piece of land is known as

A. Rotational grazing
B. Monoculture
C. Crop rotation
D. Mixed farming

Question 12:

• WAEC 2014

Which of the following is not an effect of over-graing on soil?

A. Improvement of soil structure
B. Soil compaction
C. Exposure of soil to erosion
D. Depletion of soil nutrients

Question 13:

• WAEC 2014

The major factor affecting distribution of crops in West Africa is

A. Climate
B. Soil
C. Topography
D. Disease

Question 14:

• WAEC 2014

Nutrient replenishment in soil can be enhanced by

A. Crop removal
B. Leaching
C. Erosion
D. Crop rotation

Question 15:

• WAEC 2014

What is the function of nitrosomonas bacteria in the nitrogen cycle?

A. Ammonification
B. Nitrification
C. Denitrification
D. Nitrogen fixation