1. The removal of topsoil from the land by moving water or wind is called .

A. Soil erosion

B. Soil conservation

C. Soil formation

2. The use of cover crops for conservation of soil will work the same way as:

A. Trash lines

B. Mulching

C. Stone lines

3. What do we call the type of erosion where the top layer of soil is eroded at a uniform level?

A. Rill erosion

B. Gully erosion

C. Sheet erosion

4. Which type of soil erosion is controlled by constructing gabions?

A. Sheet erosion

B. Splash erosion

C. Gully erosion

5. The following are measures of controlling soil erosion except

A. Deforestation

B. Stone lines

C. Gabions