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Which statement about chlorophyll a is correct?

(a) It is found only in PS I. Your answer
(b) It absorbs mainly green light. Your answer
(c) It is the chief pigment of photosynthesis. Correct
(d) It is absent from the reaction centres. Your answer

Your answer: Correct answer: (c)

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Explanation

Why (c) is correct

Chlorophyll a is the chief pigment of photosynthesis. It is present in both photosystems and forms their reaction centres.

Why the other options are wrong

(a) · your answer Chlorophyll a is found in both PS I and PS II.
(b) · your answer Chlorophyll a absorbs mainly blue and red light, not green.
(d) · your answer The reaction centres are formed by chlorophyll a.

NCERT point: All other pigments are accessory pigments.

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