CBSE  /  Class 7  /  Social Science  /  Geography Inside our Earth

  • 1. 
    Where is the deepest mine in the world located?

  • South America
  • South Africa
  • South India
  • South Australia

  • 2. 
    The depth of the deepest mine in South Africa is

  • one km
  • two km
  • three km
  • four km

  • 3. 
    The upper most layer of the earth’s surface is called

  • the crust
  • the brust
  • the roads
  • the forest

  • 4. 
    What is the radius of the earth?

  • 3671 km
  • 7163 km
  • 6371 km
  • 1736 km

  • 5. 
    Any natural mass of mineral matter that makes up the earth’s crust is called a

  • rock
  • road
  • sediment
  • none of these

  • 6. 
    The sediments are transported and deposited by

  • wind
  • water
  • wind and water
  • none of these

  • 7. 
    The process of transformation of the rock from one form to another is known as

  • road cycle
  • food cycle
  • rock cycle
  • all of these

  • 8. 
    Which rock is the molten magma made up of?

  • Igneous
  • Metamorphic
  • Sedimentary
  • None of these

  • 9. 
    What is the latin term of Igneous?

  • Ignis
  • Sedimentum
  • Metamorphose
  • None of these

  • 10. 
    Rocks which contain fossils are called

  • metamorphic rocks
  • igneous rocks
  • core
  • sedimentary rocks
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