Lithosphere – I Endogenetic Processes Important Questions

9th Standard

    Reg.No. :
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Social Science

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. ______ is the rigid outer layer of the Earth

    (a)

    core

    (b)

    mantle

    (c)

    Crust

    (d)

    inner core

  2. ________ layer is made up of liquid iron

    (a)

    Inner core

    (b)

    Outer core

    (c)

    Mantle

    (d)

    Crust

  3. The movement of tectonic plates is induced by _____  energy.

    (a)

    hydel

    (b)

    thermal

    (c)

    wave

    (d)

    tidal

  4. Many million years ago, India was a part of the super continent ________ 

    (a)

    Gondwana

    (b)

    Laurasia

    (c)

    Panthalasa

    (d)

    Pangea

  5. The point of origin of an Earthquake is called the ________.

    (a)

    epicentre

    (b)

    focus

    (c)

    seismic wave

    (d)

    magnitude

  6. 5 x 1 = 5
  7. Atmosphere

  8. (1)

    Permanently stops its volcanic activity

  9. Granite

  10. (2)

    Laying roads

  11. Marble

  12. (3)

    The thin layer of gases that surrounds the Earth.

  13. Basalt

  14. (4)

    Sculpture & construction

  15. Extinct volcano

  16. (5)

    Construction work

    5 x 2 = 10
  17. Core and crust

  18. Divergent and convergent boundaries.

  19. Shield volcano and volcanic Dome.

  20. Internal Processes and External processes.

  21. Atmosphere and Biosphere.

  22. 4 x 2 = 8
  23. Write a brief note on the various spheres of the Earth.

  24. What is pedosphere?

  25. What is Tsunami?

  26. What is an Earthquake and how it occurs?

  27. 3 x 2 = 6
  28. What is Hydrosphere?

  29. What is Geology?

  30. What do the internal processes generate?

  31. 2 x 3 = 6
  32. Scientists use GPS to measure the rate of Tectonic Plate movements. Discuss.

  33. Pacific Ring of Fire - Most seismically and volcanically active. Why?

  34. 2 x 5 = 10
  35. Describe the structure of the Earth

  36. Explain the effects of Volcanoes

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