Explain.
Q.60. Which of the following correctly identifies X and Y and their functions in the given figure of chloroplast ?

Dear student,
Answer is a) Grana - photolysis of water, Stroma - CO₂ fixation.
Light reaction occurs in Grana where photolysis of water occurs. Assimilatory power formed during light reaction is utilized during dark reaction for the fixation of carbon dioxide into carbohydrate.

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