CBSE  /  Class 7  /  Social Science  /  Geography Our Changing Earth

  • 1. 
    The earth’s crust is broken into a number of huge parts. They are called

  • lithospheric plates
  • metamorphic plates
  • sedimentary plates
  • none of these

  • 2. 
    Which one of the following forces originates in the interior of the earth?

  • Exogenic forces
  • Endogenic forces
  • Both (a) and (b)
  • None of these

  • 3. 
    Sudden movements in the earth are called

  • earthquakes
  • building mountains
  • focus
  • none of these

  • 4. 
    The place on the surface above the focus is known as

  • epicentre
  • focus
  • forces
  • lithosphere

  • 5. 
    What is the name of the instrument used for measuring earthquake?

  • Thermometer
  • Seismograph
  • Weighing machine
  • All of these

  • 6. 
    On which scale is the earthquake measured?

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