Brown algae are also known as___________?
Correct answer: A. Phaeophyta
- A. Phaeophyta
- B. Rhodophyta
- C. Pyrrophyta
- D. Chrysophyta
Explanation
Brown algae belong to the phylum Phaeophyta, whose brown colour is mainly due to the carotenoid pigment fucoxanthin masking chlorophyll. Students may choose Rhodophyta because it is another major algal group, but Rhodophyta are red algae. The submitted key matches.
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