Only _____% of the total amount of fresh water is stored in lakes, reservoirs & rivers:

Related Mcqs:

1. The maximum amount of water which a soil can hold after free drainage has ceased is called as_______?

   A. Water potencial B. Water use efficiency C. Water harvesting D. Water holding capacity Submitted by: Shafiq Rehman...

2. Many plant species need very large amount of water. They are: ___________?

   A. Hydrophytes B. Hygrophytes C. Both a & b D. None of these Submitted by: Shafiq-ur-Rehman...

3. The amount of water that can be absorbed by an oven dry soil at 105•c when it is exposed to an atmosphere of 100% relative humidity is called:

   A. Field Capacity (FC) B. Maximum water holding capacity C. Hygroscopic coefficient D. Permanent wilting point Submitted by: Shafiq-ur-Rehman...

4. 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...

5. 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...

6. 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...

7. 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...

8. 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...

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. 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...