NEET Biology Ecosystem Question Bank Ecosystem

  • question_answer
    Energy transfer from one trophic level to other, in a food chain is [CBSE PMT 1999; BHU 2005]

    A) 1%

    B) 2%

    C) 10%

    D) 20%

    Correct Answer: C

    Solution :

    As per 10 percent law, only 10% of the energy fixed at one trophic level is passed to next trophic level. For example, when plants are eaten by animals only 10% of energy of the food is fixed into animal flesh; rest is lost through respiration.


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