Haryana PMT Haryana PMT Solved Paper-2010

  • question_answer
    The first (initiating) step in photosynthesis is

    A)  ionisation of water

    B)  attachment of \[C{{O}_{2}}\]to 5-carbon sugar

    C)  excitation of chlorophyll by a photon of light

    D)  formation of ATP

    Correct Answer: C

    Solution :

                    The entire process of photosynthesis is driven by light energy comes from the Sun. This energy is first capturted by chlorophyll molecules and later on utilised for the synthesis of ATP (chemical energy) molecules, which are later utilised in the dark reaction, ie, Calvin cycle.


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