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Photosynthesis

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  1. The first step of photosynthesis is
    1. excitation of electron of chlorophyll by a photon of light
    2. formation of ATP
    3. attachment of CO2 to 5 carbon sugar
    4. ionisation of water
Correct Option: A

Light reaction is the first step of photosynthesis. Attachment of CO2 to 5 carbon sugar occurs in the next step or dark reaction.


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