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:

Related Mcqs:

1. Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:

   A. Mull
   B. Mulch
   C. Mycorrhizae
   D. Muck

   Submitted by: Shafiq Rehman

2. Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:

   A. Soil amendment
   B. Soil conditioner
   C. Both a & b
   D. None of the above

   Submitted by: Shafiq Rehman

3. Preferable form of nitrogen for rice under submerged soil conditions is ____________?

   A. NH4
   B. NO3
   C. NO2
   D. All of these

   Submitted by: Muhammad Rehan

4. __________________ systems play a crucial role in increasing soil organic C storage and reducing net emissions of greenhouse gases in addition to soil erosion control:

   A. Engineering
   B. Agroforestry 
   C. Cultivating
   D. All of the above

   Submitted by: Shafiq Rehman

5. Nitrogen gases are involved in_____________________?

   A. Sleepy feelings
   B. Hair disease
   C. Mental disease
   D. Acid rains

6. The soil air contains a number of gases ______________ & water vapours:

   A. Nitrogen
   B. Oxygen
   C. Carbon dioxide
   D. All of the above

   Submitted by: Shafiq Rehman

7. Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?

   A. Additions, losses
   B. Transfers and transformations
   C. both A and B
   D. None of the above

   Submitted by: Shafiq Rehman

8. According to the Soil survey of Pakistan, the total waterlogged summer-rain area in the country is:_________?

   A. 4.11 mha
   B. 5.16 mha
   C. 22.5 mha
   D. The above statement is wrong

   Submitted by: Shafiq Rehman

9. The available form of sulphur for plant is___________________?

   A. S2
   B. SO-2
   C. SO3
   D. SO2

10. Azotobacter fixes atmospheric nitrogen in the soil by:__________?

    A. Symbiotically
    B. Non-symbiotically
    C. Can fix A & B
    D. None of these

    Submitted by: Mir Mehrbiyar