Estimated quantity of global water is __________which covers about 70% of earth?

Related Mcqs:

1. The field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?

   A. Soil moisture
   B. Equivalent moisture
   C. Field moisture
   D. Available moisture

2. A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?

   A. Water wave
   B. Water tide
   C. Hydraulic jump
   D. Afflux

3. A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called ______________________?

   A. Water pool
   B. Cistern
   C. Down stream pond
   D. Water cushion

4. The water evaporates from paddy surfaces to the atmosphere in the form of water vapours, these water vapours get collected in the atmosphere and behave & like_________________?

   A. Water
   B. Snow
   C. Ice particles
   D. Gas

5. Water logging caused by ____________ water, which during excessive irrigation percolates down and join under ground water table?

   A. Capillary
   B. Hygroscopic
   C. Gravity
   D. Free

6. __________% of total global water is saline and available in oceans ?

   A. 95%
   B. 96%
   C. 97%
   D. 97.5%

7. _________% of total global water is fresh and its major portion is obtained from Rains ?

   A. 2%
   B. 2.5%
   C. 3%
   D. 3.2%

8. The quantity of water lost by transpiration from the plants or crops and evaporation from fields adjacent to these plants is called ___________________?

   A. Evapo-transpiration
   B. Consumptive use
   C. Un-confined water
   D. a & b are correct

9. After rainfall the quantity of water that flows directly over the ground surface and join immediately to the river is called_________________?

   A. Surface runoff
   B. Sub-surface runoff
   C. Base flow
   D. True surface runoff

10. When seepage water after passing the ground water aquifer joins the surface stream, such stream will be called_____________________?

    A. Influent stream
    B. Effluent stream
    C. Rain stream
    D. Storm stream