Main indicator of soil erosion is:

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. An important agrostological technique to check soil erosion in the initial stages is:

   A. Ley farming
   B. Land retirement
   C. Basin listing
   D. Contour farming

3. The soil erosion on slopes proceeds in the following manner:

   A. Gully – Rill – ravine
   B. Rill – Ravine – Gully
   C. Rill – Gully – Ravine
   D. Ravine – Rill – Gully

4. Odum has described soil erosion as:

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

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

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

6. Soil erosion can be prevented by:

   A. Allowing herbivorous animals to graze excessively
   B. Growing plants to form a soil cover
   C. Making the land slopy
   D. Increasing fertility

7. Soil erosion is prevented by:

   A. Afforestation
   B. Deforestation
   C. Denudation
   D. Overgrazing

8. Soil erosion can be prevented by:

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

9. Soil erosion can be reduced by:

   A. Reducing over grazing
   B. Planting proper plants
   C. Making dams
   D. All of those

10. One of the following crops is the most effective in controlling soil erosion:

    A. Cotton
    B. Pigeon pea
    C. Green gram
    D. Maize