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UPSC General Studies Sample Paper General Studies Sample Paper-5

  • question_answer
    Consider the following statements.
    1. The energy flow in an ecosystem means transfer of organic molecules.
    2. The energy flow in an ecosystem is cyclic.
    Which of the statements) given above is/are correct?

    A)  Only 1             

    B)  Only 2

    C)  Both 1 and 2                

    D)  Neither1nor 2

    Correct Answer: C

    Solution :

    [c] The chemical energy stored is plants and animals in the form of organic molecules. The transfer of energy from one tropic level to higher trophic level involves consumption of this organic molecules. Cyclic flow of energy means energy is again available for reuse. In an ecosystem, the flow of energy is in directional and non-cyclic. So, correct option is [c].     


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