Rock and Soil One Mark Question

8th Standard EM

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Social Science

Time : 00:30:00 Hrs
Total Marks : 20
    5 x 1 = 5
  1. Ideal soil for growing cotton is

    (a)

    Red soil

    (b)

    Black soil

    (c)

    Alluvial soil

    (d)

    Mountain soil

  2. The major component of soil is

    (a)

    Rocks

    (b)

    Gas

    (c)

    Water

    (d)

    Minerals

  3. Which one of the following is the most widespread most and productive category of soil

    (a)

    Alluvial soil

    (b)

    Black soil

    (c)

    Red soil

    (d)

    Mountain soil

  4. This soil is not suitable for agriculture

    (a)

    Alluial Soil

    (b)

    Desert Soil

    (c)

    Black Soil

    (d)

    Laterite Soil

  5. To become a well matures soil, it takes ______ years.

    (a)

    200

    (b)

    2000

    (c)

    3000

    (d)

    400

  6. 5 x 1 = 5
  7. _________ is the kind of metamorphic rock using which Taj Mahal was built.

    ()

    white Marble

  8. _________ is known as the primary rocks.

    ()

    Igneous rocks

  9. Ignis means _____

    ()

    Fire

  10. Sedimentum means ______

    ()

    settling down

  11. Meta means _______

    ()

    change

  12. 5 x 1 = 5
  13. Igneous rocks are called primary rocks.

    (a) True
    (b) False
  14. Slate is formed from shale.

    (a) True
    (b) False
  15. Red soil is formed by the process of leaching.

    (a) True
    (b) False
  16. The ligneous rocks are formed by the solidification of molten magma.

    (a) True
    (b) False
  17. Alluvial soil is not suitable for cultivation

    (a) True
    (b) False
  18. 5 x 1 = 5
  19. Granite

  20. (1)

    Active Volcano

  21. Soil layer

  22. (2)

    Bed rock

  23. Barren island

  24. (3)

    Plitonic rock

  25. Soil conservation

  26. (4)

    Strip farming

  27. Basalt

  28. (5)

    Extrusive igneous

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