Soil erosion factors include:

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. Accelerated soil erosion factors are:

   A. Soil erosion by water
   B. Soil erosion by wind
   C. Both (a) & (b)
   D. None of these

3. Hazards include all those factors that can injure or kill an animal (natural factors)

   A. Fire, rain and wind as well as man made structures such as roads and fences
   B. Thus challenging an animal’s physiological capacity as to prevent it from reproducing successfully
   C. Both (a) & (b)
   D. None of these

4. 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

5. The major types of soil erosion are:

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

6. 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

7. 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

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 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