Page Number- 12

(1) Which process causes the upliftment and sinking of the Earth's surface?

  • A. Erosion
  • B. Deposition
  • C. External process
  • D. Internal process
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(d) Internal process

(2) The continuous wearing down and rebuilding of the land surface is caused by:?

  • A. Plate tectonics
  • B. Glaciers only
  • C. External process
  • D. Internal process only
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(c) External process

(3) Fold mountains are formed when:?

  • A. Ice melts
  • B. Wind erodes rock layers
  • C. Magma cools inside the Earth
  • D. Two or more tectonic plates are pushed together
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(d) Two or more tectonic plates are pushed together

(4) Which of the following are examples of young fold mountains?

  • A. Rockies and Ural Mountains
  • B. Himalayas and Alps
  • C. Appalachians and Ural Mountains
  • D. Aravali Range and Himalayas
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(b) Himalayas and Alps

(5) Which fold mountain range is one of the oldest in the world?

  • A. Rockies
  • B. Aravali Range
  • C. Andes
  • D. Alps
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(b) Aravali Range

(6) Which of the following are examples of very old fold mountains?

  • A. Rockies and Alps
  • B. Aravali Range and Andes
  • C. Himalayas and Alps
  • D. Appalachians and Ural Mountains
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(d) Appalachians and Ural Mountains

(7) Block mountains are created when:?

  • A. Large areas are folded together
  • B. Lava solidifies into rock
  • C. Glaciers erode the surface
  • D. Large areas are broken and displaced vertically
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(d) Large areas are broken and displaced vertically

(8) In block mountains, the uplifted blocks are called?

  • A. Peaks
  • B. Ranges
  • C. Horsts
  • D. Grabens
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(c) Horsts

(9) What is the term for the lowered blocks in block mountains?

  • A. Trenches
  • B. Valleys
  • C. Horsts
  • D. Grabens
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(d) Grabens

(10) Which of the following is an example of a block mountain system?

  • A. Rhine Valley and Vosges Mountain
  • B. Himalayas
  • C. Alps
  • D. Andes
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(a) Rhine Valley and Vosges Mountain
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