The only group of algae having no flagellated motile cells at any stage is___________?
Correct answer: D. Rhodophyta
- A. Chrysophyta
- B. Phaeophyta
- C. Pyrrophyta
- D. Rhodophyta
Explanation
Rhodophyta are the only major algal group in which flagellated motile cells are absent throughout the life cycle. Students may choose Phaeophyta because some brown algae have non-motile stages, but brown algae do produce flagellated gametes or zoospores. The submitted key matches.
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