TNPSC Group-I 2017 · Question 9 of 71
Science - Biology
Chlorophyll is green, xanthophyll is yellow, carotenoid is orange, and phycocyanin is blue-green; hence (a)-2, (b)-4, (c)-1, (d)-3.
Source: TNPSC Group-I Prelims 2017 (GS1902) - Official Question Paper (scribd OCR, tick-marked answers)
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