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NEET Biology Organisms and population Question Bank Bio Geochemical Cycle

  • question_answer
    In carbon cycle, source of carbon to plants is

    A) Atmospheric \[C{{O}_{2}}\]

    B) Carbonate rocks

    C) Fossil fuels

    D) All of these

    Correct Answer: A

    Solution :

    Carbon present in the atmosphere and hydrosphere is available to the living world as free or dissolved\[C{{O}_{2}}\]. It is picked up by producers in the process of photosynthesis and changed to organic compounds.


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