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Pigments other than chlorophyll a in the thylakoid include

(a) haemoglobin, myoglobin and cytochrome c Your answer
(b) chlorophyll b, xanthophylls and carotenoids Correct
(c) anthocyanins, tannins and betalains Your answer
(d) phytochrome, cryptochrome and phototropin Your answer

Your answer: Correct answer: (b)

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Explanation

Why (b) is correct

Besides chlorophyll a, the thylakoid has chlorophyll b, xanthophylls and carotenoids (accessory pigments).

Why the other options are wrong

(a) · your answer Haemoglobin and myoglobin are animal pigments; cytochrome c is in mitochondria.
(c) · your answer Anthocyanins and betalains are vacuolar pigments; tannins are not pigments of the thylakoid.
(d) · your answer These are light-sensing receptors, not photosynthetic pigments.

NCERT point: Accessory pigments widen the range of wavelengths used.

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