UPSC General Studies Solved Paper - General Studies-2013

  • question_answer
    With reference to food chains in ecosystem(s), consider the following statements.
    1. A food chain illustrates the order, in which a chain of organisms feed upon each other.
    2. Food chains are found within the population of a species.
    3. A food chain illustrates the numbers of each organism, which are eaten by others.
    Which of the statement(s) given above is/are correct?

    A)  Only 1             

    B)  1 and 2    

    C)  All of these       

    D)  None of these

    Correct Answer: A

    Solution :

    Exp. [a] Transfer of food energy from green plants (producers) through s series of organisms with repeated eating and being eaten is called a food chain. Food chains are not found within the population of 3 species and in fact move among a wide variety of species. It does not illustrate the number of the organisms, which are eaten


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