Accelerated soil erosion factors are:

Related Mcqs:

1. Removal of top soil by soil erosion result in the loss of soil:

   A. Nitrites
   B. Nitrates
   C. Nitrogen
   D. Nitric and nitrous acids

2. Causes of accelerated erosion are:

   A. Removal of the natural vegetation cover
   B. Cultivation of land by crops which expose the soil to direct rain impact and runoff water
   C. Both (a) & (b)
   D. None of these

3. The chief cause of accelerated erosion is:

   A. Excessive rains
   B. Wind storms
   C. Overfelling and overgrazing
   D. All of these

4. Soil erosion factors include:

   A. Amount of rainfall
   B. Slope length
   C. Slope gradient
   D. Soil erodibility
   E. All of the above

5. The factors to control of wind erosion are:

   A. The soil should be kept moist as far as possible especially in the season of windstorms. Moist soil is less vulnerable to wind erosion than dry soil
   B. Wind breaks by planting tree in rows or shelter belts of any means are effective in wind erosion
   C. Both (a) & (b)
   D. None of these

6. The major types of soil erosion are:

   A. Normal or geological
   B. Accelerated
   C. Both (a) & (b)
   D. None of these

7. Odum has described soil erosion as:

   A. Soil pollution
   B. Creeping death of soil
   C. Loss of living stratum
   D. Loss of feeding zone

8. Soil erosion in plains consequent to rain fall is initiated by:

   A. Rill erosion
   B. Sheet erosion
   C. Gully erosion
   D. All of these

9. Soil erosion can be prevented by:

   A. Deforestation
   B. Heavy rains
   C. Afforestation
   D. Over grazing

10. Main indicator of soil erosion is:

    A. Deforestation
    B. Afforestation
    C. Ozone layer
    D. Goats and grazing animals