UPSC General Studies Sample Paper General Studies Sample Paper-8

  • question_answer
    With reference to corals, consider the following statements.
    1. Coral are marine invertebrate species.
    2. Corals secrete calcium carbonate which form outer skeleton.
    3. Corals grow in shallow waters so as to absorb sunlight for photosynthesis to produce their food.
    Which of the statements given above are correct?

    A)  1 and 2

    B)  2 and 3

    C)  1 and 3           

    D)  All of these

    Correct Answer: A

    Solution :

    [a] Live coral are colonies of small animals embedded in calciur carbonate shells. It is a mistake to think of coral as plants I rocks. It consist of accumulations of individual animals caliec polyps, arranged in diverse shapes. Coral reef grow much fasar in clear water, which admits more sunlight.                    

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