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TNPSC Group 1 · 2025 Preliminary Examination

3.  Choose the right matches:
(1) Carotenoid C55H70O5N4Mg
(2) Chlorophyll 'a' C55H72O5N4Mg
(3) Chlorophyll 'b' C55H70O6N4Mg
(4) Xanthophyll C50H70O5Mg

Answer: C.   (2) and (3) are correct
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