Sustainable Technologies to Control Water-Logging:

Related Mcqs:

1. Sustainable technologies to improve soil fertility and physical condition:

   A. Balance use of NPK fertilizers according to the need of crops.
   B. Following proper crop rotation (shallow rooted and deep root crops) in the cropping session.
   C. Regular use of FYM, Composts, acidic mulches, Green manures and Organic fertilizers to increase OM content of Soil.
   D. All of the above

   Submitted by: Shafiq Rehman

2. Integrated Nutrient Management (INM) is a well-accepted approach for the sustainable management of________?

   A. Soil Productivity
   B. Increased crop production
   C. both a and B
   D. None of these

   Submitted by: Shafiq Rehman

3. Sewage water consists of water and solids in the following percentage___________________?

   A. 99 & 1
   B. 90 & 10
   C. 80 & 20
   D. None of the above

4. Water occupied the larger soil pores and moves down readily under the force of gravity. Water in excess of the field capacity is termed:

   A. Capillary water
   B. Hygroscopic water
   C. Gravitational water
   D. None of the above

   Submitted by: Shafiq Rehman

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. 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

8. Pure water has an water activity (Aw) of___________________?

   A. 0.99
   B. 1.00
   C. 1.5
   D. non of these

9. Water is the major constituent of all living creatures. Biomass of plants is composed of ________% water:

   A. 65 – 75%
   B. 72 – 62%
   C. 85 – 95%
   D. 75% – 80%

   Submitted by: Shafiq Rehman

10. The horizontal flow of water in irrigation channel or canal leading to water loss is called as:_________?

    A. Infiltration
    B. Percolation
    C. Seepage
    D. All of these

    Submitted by: Shafiq Rehman