Internal Structure of the Earth

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1)   Thickness of outer core of Earth is about

  • [A] 2,200 km
  • [B] 2,260 km
  • [C] 2,300 km
  • [D] 2,360 km

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2,260 km

2)   Mantle is layer of Earth that lies

  • [A] in the core
  • [B] over the crust
  • [C] under the core
  • [D] between the core and the crust

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between the core and the crust

3)   Movement of Magma due to convection current move the

  • [A] mantle
  • [B] core
  • [C] plates
  • [D] crust

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plates

4)   Outer core of Earth is made up of

  • [A] iron
  • [B] copper
  • [C] platinum
  • [D] nickel-iron alloy

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nickel-iron alloy

5)   Distinct layers of Earth does not include

  • [A] core
  • [B] mantle
  • [C] tectonic plates
  • [D] crust

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tectonic plates

6)   Thickness of inner core of Earth is about

  • [A] 1,200 km
  • [B] 1,220 km
  • [C] 1,300 km
  • [D] 1,320 km

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1,220 km

7)   Layer below crust of Earth is

  • [A] mantle
  • [B] core
  • [C] ridge
  • [D] trench

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mantle

8)   Outermost layer of Earth is

  • [A] ridge
  • [B] trench
  • [C] crust
  • [D] asthenosphere

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crust

9)   Theory which states that plates of earth are continuously moving is classified as

  • [A] The Continental Drift Theory
  • [B] The Oceanic Drift Theory
  • [C] The Sphere Drift Theory
  • [D] The Trench Drift Theory

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The Continental Drift Theory

10)   Division of cores of Earth includes

  • [A] inner core
  • [B] tectonic core
  • [C] outer core
  • [D] both a and c

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both a and c

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