Question 326:

• WAEC 1990

The type of soil formed is affected by the following factors except

A. Farming systems
B. Climate
C. Vegetation
D. Topography
E. Parent material

Question 327:

• WAEC 1990

Which of the following is the function of nitrosomonas in the nitrogen cycle?

A. Ammonification
B. Volatilization
C. Nitrification
D. Dentrification
E. Nitrogen fixation

Question 328:

• WAEC 1990

Which of the following farm practices does not have a very harmful effect on the soil?

A. Crop rotation
B. Land clearing
C. Overgrazing
D. Flooding
E. Bush burning

Question 329:

• WAEC 1990

Soil can be drained by the use of the following except

A. Sprinklers
B. Channels
C. Gutters
D. Ditches
E. Porous pipes

Question 330:

• WAEC 1990

What are give and take lines often used in farm surveying?

A. Leveling measurements of farms
B. Chain measurements of farmlands
C. Measuring diversion or obstruction in a farmland
D. Measuring turning points during surveying
E. Measuring farms with irregular boundaries