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Hydrologic Cycle 

8th Standard Social Science Chapter 7 Hydrologic Cycle Model Question Paper

Hydrologic Cycle Model Questions

8th Standard

    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

  6. The degree of water vapour present in the atmosphere is known as__________.

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    Humidity

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

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    Precipitation

  8. Mist is denser than _______.

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    Fog

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

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    high

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

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    snowfall

    11. 3 x 1 = 3

  11. Water boils at 212oF temperature but, it begins to evaporate at 32oF.

    (a) True
    (b) False

  12. The sub-surface runoff is usually referred as interflow.

    (a) True
    (b) False

  13. Out of fresh water, 0.01 % is available in lakes and, streams.

    (a) True
    (b) False
    14. 5 x 1 = 5

  14. Vegetation

    15. (1)

    At the surface

  15. Condensation

    16. (2)

    Transpiration

  16. Infiltration

    17. (3)

    ice crystals

  17. clouds

    18. (4)

    Clouds

  18. snowfall

    19. (5)

    mountainous region
    4 x 3 = 12

  19. Write a short note on aquifer.

  20. How is the dew formation takes place?

  21. What is Infiltration?

  22. Write about the formation of sleet?

    23. 2 x 5 = 10

  23. Distinguish between evaporation and transpiration.

  24. Explain the run-off and its types.

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