Following are types if erosion:

Related Mcqs:

1. 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

2. _________ 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

3. 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

4. Which one of the following plants prevent soil erosion and reclaim water logged soils____________________?

   A. Ber
   B. Guava
   C. Pome granate
   D. All the above

5. Problem of erosion in Thal and Cholistan is due to____________________?

   A. Wind
   B. Fire
   C. Water
   D. Atmosphere

6. 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

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

   A. 46%
   B. 36%
   C. 76%
   D. None of the above

   Submitted by: Shafiq Rehman

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

   A. Creep
   B. Saltation
   C. Siltation
   D. None of these

   Submitted by: Shafiq Rehman

9. 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

10. 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