CBSE  /  Class 11  /  Geography  /  Interior of the Earth

  • 1. 
    The upper portion of the mantle is known as

  • Asthenosphere
  • Crust
  • Lithosphere
  • Fossil Sphere

  • 2. 
    Which one of the following is a direct source of the information about the interior of the Earth?

  • Earthquake waves
  • Volcanoes
  • Gravitational force
  • Earth magnetism

  • 3. 
    What is the density of the rocks between the adjoining line on mantle and core?

  • 3-4 gm. per sq. cm
  • 5 gm. per sq. cm
  • 4-5 gm. per sq. cm
  • 6 gm. per sq. cm

  • 4. 
    What is the approximate depth of the mantle?

  • 2400 km
  • 2900 km
  • 3200 km
  • 3500 km

  • 5. 
    The Deccan trap is a large

  • flood plain
  • flood basalt province
  • lava plain
  • shield volcano

  • 6. 
    What is the thickness of the crust?

  • 10 km to 200 km
  • 5 km to 30 km
  • 30 km to 400 km
  • 100 km to 200 km

  • 7. 
    What is the mean thickness of oceanic crust?

  • 5 km
  • 30 km
  • 10 km
  • 70 km

  • 8. 
    The intensity of an earthquake is measured in

  • Richter Scale
  • Mercalli scale
  • Measuring scale
  • Seismograph
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