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

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. 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

3. Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:

   A. Acid rain
   B. Neutral rain
   C. Both A & B
   D. None of the above

   Submitted by: Shafiq Rehman

4. After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?

   A. Heterogeneous
   B. Heterozygous
   C. Homogenous
   D. Homozygous

5. Which chemical used to prevent evaporation from surface of water in water bodies?

   A. Cetyle alcohol
   B. Methyle alcohol
   C. both A and B
   D. None of these

   Submitted by: Shafiq Rehman

6. Which chemical used to prevent evaporation from surface of water in water bodies?

   A. Cetyle alcohol
   B. Methyle alcohol
   C. both A and B
   D. None of these

   Submitted by: Shafiq Rehman

7. 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

8. 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

9. 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

10. Which one of the following techniques is used for assessing available P in soil and does not include growing plants:

    A. E-Value
    B. L-Value
    C. a-Value
    D. A-Value

    Submitted by: Shafiq Rehman