CBSE  /  Class 11  /  Geography  /  Water (Oceans)

  • 1. 
    The shelf typically ends at a very steep slope, called ________

  • Halcoline
  • Seamount
  • Oceanic Shelf
  • Shelf Break

  • 2. 
    The Coral reefs are a major characteristic of:

  • the Indian Ocean
  • the Pacific Ocean
  • the Atlantic Ocean
  • the Mediterranean Sea

  • 3. 
    ______ a mountain with pointed summits, rising from the seafloor that does not reach the surface of the ocean

  • Halcoline
  • Seamount
  • Oceanic Shelf
  • None of the above

  • 4. 
    A mid-ocean ridge is an underwater mountain system formed by

  • plate tectonics
  • earthquake
  • ocean currents
  • submarine landslides

  • 5. 
    Along the coasts, salinity is:

  • Lowered
  • Increased
  • Stable
  • Unaffected

  • 6. 
    The geographers have divided the oceanic part of the earth into ______ oceans.

  • Two
  • Three
  • Four
  • Five

  • 7. 
    Which one of the following is the smallest ocean:

  • the Indian Ocean
  • the Arctic Ocean
  • the Atlantic Ocean
  • the Pacific Ocean

  • 8. 
    Salinity refers to the total amount of

  • sediments in the water
  • impurities present in the water
  • the salt present in the water
  • heat present in the water

  • 9. 
    Which one of the following is not a minor relief feature in the oceans:

  • Seamount
  • Atoll
  • Oceanic Deep
  • Guyot

  • 10. 
    ________ is the extended margin of each continent occupied by relatively shallow seas and gulfs.

  • Oceanic Shelf
  • Continental shelf
  • Salocline
  • Hydra Shelf
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