SSC Ecology And Environment Sample Paper NCERT Sample Paper-4

  • question_answer
    A food chain starts with

    A)  Decay  

    B)  respiration

    C)  Photosynthesis

    D)  nitrogen fixation

    Correct Answer: C

    Solution :

    [c] The biotic factors of the ecosystem are linked together by food. These foods are always green plants, because in food chain they have a capacity to convert solar energy into chemical energy by the process of photosynthesis.

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