Statement A: Single chlorophyll a molecule forms the reaction centre.
Statement B: In PS I the reaction centre chlorophyll a has an absorption peak at 700 nm while in PS II it has absorption maxima at 680 nm

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Statement A is correct but statement B is incorrect

Statement A is incorrect but statement B is correct

Both statement A and statement B are correct

Both statement A and statement B are incorrect

answer is C.

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Detailed Solution

Single chlorophyll a molecule forms the reaction centre. The reaction centre is different in both the photosystems. In PS I the reaction centre chlorophyll a has an absorption peak at 700 nm, hence is called P700, while in PS II it has absorption maxima at 680 nm, and is called P680.

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