Hydrologic Cycle Model Questions

8th Standard EM

    Reg.No. :
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Social Science

Time : 01:00:00 Hrs
Total Marks : 40
    5 x 1 = 5
  1. The process in which the water moves between the oceans, atmosphere and land is called

    (a)

    River Cycle

    (b)

    Hydrologic Cycle

    (c)

    Rock Cycle

    (d)

    Life Cycle

  2. The process of changing of water from gaseous to liquid form is known as

    (a)

    Condensation

    (b)

    Evaporation

    (c)

    Sublimation

    (d)

    Rainfall

  3. Water that flows in the sub-soil or through the ground into the streams, rivers, lakes and oceans is termed as

    (a)

    Condensation

    (b)

    Evaporation

    (c)

    Transpiration

    (d)

    Runoff

  4. Water that is good enough to drink is called

    (a)

    Groundwater

    (b)

    Surface water

    (c)

    Potable water

    (d)

    Artesian water

  5. Out of fresh water, about _____ is available as ground water.

    (a)

    0.6%

    (b)

    0.01%

    (c)

    0.04%

    (d)

    2.2%

  6. 5 x 1 = 5
  7. The degree of water vapour present in the atmosphere is known as__________.

    ()

    Humidity

  8. The falling of water towards the earth surface from atmosphere in any form is known as _________.

    ()

    Precipitation

  9. Mist is denser than _______.

    ()

    Fog

  10. When the humidity decreases, the rate of evaporation is ______

    ()

    high

  11. ______ is common in the polor and high mountainous regions.

    ()

    snowfall

  12. 3 x 1 = 3
  13. Water boils at 212oF temperature but, it begins to evaporate at 32oF.

    (a) True
    (b) False
  14. The sub-surface runoff is usually referred as interflow.

    (a) True
    (b) False
  15. Out of fresh water, 0.01 % is available in lakes and, streams.

    (a) True
    (b) False
  16. 5 x 1 = 5
  17. Vegetation

  18. (1)

    Clouds

  19. Condensation

  20. (2)

    At the surface

  21. Infiltration

  22. (3)

    ice crystals

  23. clouds

  24. (4)

    mountainous region

  25. snowfall

  26. (5)

    Transpiration

    4 x 3 = 12
  27. Write a short note on aquifer.

  28. How is the dew formation takes place?

  29. What is Infiltration?

  30. Write about the formation of sleet?

  31. 2 x 5 = 10
  32. Distinguish between evaporation and transpiration.

  33. Explain the run-off and its types.

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