Lithosphere – I Endogenetic Processes Book Back Questions

9th Standard

    Reg.No. :
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Social Science

Time : 00:45:00 Hrs
Total Marks : 30
    5 x 1 = 5
  1. The is the rigid outer layer of the Earth

    (a)

    core

    (b)

    mantle

    (c)

    Crust

    (d)

    inner core

  2. The movement of plates that creates stress and tension in the rocks causing them to stretch and cracks result in ______ 

    (a)

    fold

    (b)

    fault

    (c)

    mountain

    (d)

    earthquake

  3. The point of origin of an Earthquake is called the _____ 

    (a)

    epicentre

    (b)

    focus

    (c)

    seismic wave

    (d)

    magnitude

  4. Statement: Magma gushes out when it finds vents.
    Reason: Interior of the Earth contains compressed hot magma Which of the statement(s) is are true

    (a)

    Statements & reason are true

    (b)

    Statements is true, reason is false

    (c)

    Statement is false reason is true

    (d)

    Statement & reason are false

  5. Statement I: Mountain ranges are formed by the collision of tectonic plates
    Statement II: The movement of tectonic plates is due to the thermal energy from the mantle

    (a)

    Statement I is false II is true

    (b)

    Statement I and II are false

    (c)

    Statement I is true II is false

    (d)

    Statement I and II are true

  6. 1 x 10 = 10
  7. On the given outline map of the world, mark the following:
    a. Pacific Ring of fire
    b. Earthquake prone zones (any two)
    c. Locate any two active volcanoes of the world.
    d. Himalayas and Alps ranges
    e. Rift valley of East Africa.

  8. 2 x 2 = 4
  9. Core and crust

  10. Primary waves and Secondary waves.

  11. 2 x 3 = 6
  12. Consider the various sources of information related to the Earth's Interior. Classify the above as DIRECT & INDIRECT sources of information. Give reasons.

  13. Scientists use GPS to measure the rate of Tectonic Plate movements. Discuss.

  14. 1 x 5 = 5
  15. Write a note on the internal and external processes of Earth

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