Erosion of very fine particles is seen on account of:

Related Mcqs:

1. Nitrogen oxides produced from the emission of automobiles and power plants, are the source of fine air borne particles which lead to:

   A. Photochemical smog
   B. Dry acid deposition
   C. Industrial smog
   D. Wet acid deposition

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. If there is a little slope in the field, the soil erosion can be prevented by:

   A. Contour terracing
   B. Contour strip cropping
   C. Confour farming
   D. All of these

4. Wave erosion is more prevalent and well marked:

   A. Along rivers
   B. At the sea shore
   C. In water falls
   D. In all these places

5. Odum has described soil erosion as:

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

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

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

7. To prevent wind and water erosion, the crop is sometimes harvested in such a way that a basal stub of the plant is left behind. This phenomenon is called:

   A. Ley farming
   B. Mulching
   C. Basin listing
   D. Strip cropping

8. 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

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