Railways R.R.C. (Jabalpur) Solved Paper Held on 1st Shift 30-11-2014

  • question_answer 22) Source of energy in eco system is?

    A) Sun

    B) ATP

    C) Sugar produced in photosynthesis

    D) Green plants

    Correct Answer: A

    Solution :

    Light from sun is primary source of energy for ecosystems.

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