CBSE  /  Class 11  /  Geography  /  Minerals and Rocks

  • 1. 
    Rocks that were originally either sedimentary, igneous, or metamorphic and have been changed further by heat and pressure are called:

  • Volcanic
  • Sedimented
  • Metamorphic
  • None of the above

  • 2. 
    Which one of the following is not a sedimentary rock?

  • Tillite
  • Borax
  • Breccia
  • Marble

  • 3. 
    Iron is a

  • ferrous metal
  • non-ferrous metal
  • precious metal
  • non-precious metal

  • 4. 
    What kind of colour does Pyroxene consist of?

  • Green
  • Black
  • Both (a) and (b)
  • None of the above

  • 5. 
    The minerals that do not contain metal contend are known as

  • precious minerals
  • ferrous minerals
  • non-metallic minerals
  • non-ferrous minerals

  • 6. 
    The parent material of soils is derived from

  • Igneous rocks
  • Metamorphic rocks
  • Sedimentary rocks
  • Biological action
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