BHU PMT BHU PMT (Mains) Solved Paper-2007

  • question_answer
    Energy transfer from one traphic level to other in a food chain is

    A)  10%                                      

    B)  20%

    C)  1%                                        

    D)  2%

    Correct Answer: A

    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 the energy of the food is fixed into animal flesh rest is lost through respiration.


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