The Ultimate Coral Reefs Quiz

10 Questions | Total Attempts: 336

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Coral Reef Quizzes & Trivia

This quiz tests your knowledge of coral reefs


Questions and Answers
  • 1. 
    A coral reef is an offshore ridge built by small marine animals called:
    • A. 

      Coral plankton

    • B. 

      Coral algae

    • C. 

      Coral polyps

    • D. 

      Calcium carbonate

  • 2. 
    A coral reef is composed mainly of this mineral:
    • A. 

      Calcium silicate

    • B. 

      Calcium carbonate

    • C. 

      Quartz

    • D. 

      Sodium chloride

  • 3. 
    Two major types of coral reef found in the Caribbean are ____________________________.
  • 4. 
    Fringing reefs are located:
    • A. 

      Outside of tropical areas

    • B. 

      Far away from shore

    • C. 

      Near the mouth of rivers

    • D. 

      Near the shore

  • 5. 
    Barrier reefs are located:
    • A. 

      Outside of tropical areas

    • B. 

      Far away from shore

    • C. 

      Near the mouth of rivers

    • D. 

      Near the shore

  • 6. 
    In the Caribbean, a barrier reef can be found off the coast of:
    • A. 

      Barbados

    • B. 

      Puerto Rico

    • C. 

      Belize

    • D. 

      Guyana

  • 7. 
    The largest barrier reef in the world is found off the coast of:
    • A. 

      Australia

    • B. 

      Belize

    • C. 

      Guyana

    • D. 

      Africa

  • 8. 
    In order for coral to thrive, the sea water should be warm.
    • A. 

      True

    • B. 

      False

  • 9. 
    Coral will thrive in an area near the mouth of a river.
    • A. 

      True

    • B. 

      False

  • 10. 
    Coral reefs help protect our beaches.
    • A. 

      True

    • B. 

      False

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