Problem of erosion in Thal and Cholistan is due to____________________?

Related Mcqs:

1. The problem of soil crosion Thal and Cholistan is predominantly due to___________________?

   A. Wind
   B. Air
   C. Water
   D. All the above

2. 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

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. Pneumatic potential is due to____________________?

   A. Water
   B. Petrol
   C. Soil
   D. Gas

5. A healthy plant not selling seed may be due to____________________?

   A. Self incompatibility
   B. Male sterility
   C. Female sterility
   D. All the above

6. Heterosis results due to____________________?

   A. Dominance
   B. Overdominance
   C. Epistasis
   D. All the above

7. Lithosphere refers to____________________?

   A. Zone of atmosphere
   B. Zone of earth crust
   C. Zone of ozone
   D. Zone of water

8. Mollic refers to____________________?

   A. B-horizon
   B. C-horizon
   C. U-horizon
   D. Surface horizon

9. 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

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