According to one estimate, wind and water erosion over ______ % of the Pakistan’s total area?

Related Mcqs:

1. About 40% of the total area of Pakistan is affected by wind erosion. this includes:_________?

   A. Thal, Cholistan B. Parts of Mianwali and D.G C. Tharparkar & vast areas of Balochistan D. All of the above Submitted by: Shafiq Rehman...

2. Soil erosion is __________ of soil from one place ti another place by natural agencies (wind & water):

   A. Detachement of soil B. Transportation C. both A & B D. None of these Submitted by: Shafiq Rehman...

3. _________ erosion is the removal of a thin layer of soil by water acting over the whole surface. This type of erosion damaged very fertile lands located on slopes, some of which have been eroded to a depth of about 15 cm.

   A. Rain splash rill erosion B. Stream bank erosion C. Sheet erosion D. Gully erosion Submitted by: Shafiq Rehman...

4. The first mechanism to start in the wind erosion is_________?

   A. Creep B. Saltation C. Siltation D. None of these Submitted by: Shafiq Rehman...

5. In Balochistan, deserts also exists in _________, which supoorts wind erosion excluding rocky mountains:

   A. Desert of Kharan B. Noshki C. Both A & B D. Qilla SaifUllah Submitted by: Shafiq Rehman...

6. Erosion permitting and erosion resisting crops grow alternatively at right angle to the slope of the land is called as:_________?

   A. Linear planting B. Strip planting C. Cover planting D. All of the above Submitted by: Shafiq Rehman...

7. The wearing away of the land surface by wind, water, ice or other geological agents is called____________________?

   A. Seepage B. Soil erosion C. Soil contamination D. All the above...

8. Water-erosion can be reduced / controlled by:___________?

   A. Provision of surface-cover that intercepts the rain before hitting the soil. B. Reducing the amount of runoff by promoting infiltration. C. Both a & b D. None of the above Submitted by: Shafiq Rehman...

9. Which is the correct sequence of soil erosion by water:

   A. Rill-Sheet-Gully B. Gully-Sheet-Rill C. Sheet-Rill-Gully D. None of these Submitted by: Shafiq Rehman...

10. One of the following is not a form of water erosion:

    A. Saltation B. Rainsplash erosion C. Sheet erosion D. Rill erosion Submitted by: Shafiq Rehman...