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Answer: 3. Ulothrix - Mannitol

Green algae like Ulothrix store starch, not mannitol. Mannitol is the reserve food in brown algae.

Other pairs are right: Volvox stores starch, Ectocarpus (brown alga) has fucoxanthin, and Porphyra (red alga) has floridean starch. So option 3 is incorrectly matched.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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