Tests Your Knowledge Of Coral Reefs

9 Questions | Total Attempts: 114

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Tests Your Knowledge Of Coral Reefs

Its a quiz on coral reef. Enjoy.


Questions and Answers
  • 1. 
    2.How much of the marine fish species do they support?
    • A. 

      1%

    • B. 

      50%

    • C. 

      25%

    • D. 

      24%

  • 2. 
    3.What is/are the benefit(s) of coral reefs?
    • A. 

      Protecting coastal areas from erosion

    • B. 

      Its porous limestone skeleton is used as a material for human bone grafts

    • C. 

      Treatment of HIV, cardiovascular diseases and ulcers

    • D. 

      All of the above

  • 3. 
    4.How much of the coral reef ecosystem will be destroyed by year 2050?
    • A. 

      50%

    • B. 

      70%

    • C. 

      5%

    • D. 

      99%

  • 4. 
    5.What is/are the threat(s) to coral reefs?
    • A. 

      Global climate change

    • B. 

      Destructive fishing methods

    • C. 

      Pollution

    • D. 

      All of the above

  • 5. 
    6.How much money do coral reefs contribute?
    • A. 

      USD $37.5billion

    • B. 

      USD $3.75billion

    • C. 

      USD $375billion

    • D. 

      USD $370billion

  • 6. 
    7. How many people rely on coral reefs for their livelihoods and food.
    • A. 

      500million

    • B. 

      50million

    • C. 

      500billion

    • D. 

      5billion

  • 7. 
    8.What are destructive fishing practices?
    • A. 

      Overfishing

    • B. 

      Blast fishing

    • C. 

      Cyanide fishing

    • D. 

      All of the above

  • 8. 
    9. What are coral reefs made out of?
    • A. 

      Coral polyps

    • B. 

      Plankton

    • C. 

      Zaoxanthellae.

    • D. 

      Tentacles

  • 9. 
    10.The coral is dead once the coral bleached.
    • A. 

      True

    • B. 

      False