In Phaeophyceae (brown algae), the major pigments are:
AOnly fucoxanthin
BChlorophyll a, d and phycoerythrin
CChlorophyll a and b
DChlorophyll a, c, fucoxanthin (and carotenoids/xanthophylls — brown due to fucoxanthin)
Answer & Solution
Correct answer: D. Chlorophyll a, c, fucoxanthin (and carotenoids/xanthophylls — brown due to fucoxanthin)
Phaeophyceae have chlorophyll a, c plus carotenoids and xanthophylls. Their brown colour comes from the xanthophyll pigment FUCOXANTHIN. Chlorophyceae have chlorophyll a, b; Rhodophyceae have chlorophyll a, d + r-phycoerythrin (red).
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