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Accessory pigments protect chlorophyll a from

(a) dehydration Your answer
(b) hydrolysis Your answer
(c) photo-oxidation Correct
(d) carboxylation Your answer

Your answer: Correct answer: (c)

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Explanation

Why (c) is correct

Accessory pigments, especially carotenoids, protect chlorophyll a from photo-oxidation (damage by strong light).

Why the other options are wrong

(a) · your answer They do not protect against dehydration.
(b) · your answer They do not protect against hydrolysis.
(d) · your answer Carboxylation is a Calvin cycle step, not a form of damage.

NCERT point: Accessory pigments also widen the range of light used.

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