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NEET2026BiologyChapterActual

In which of the following algae is the reserve food material structurally very similar to amylopectin and glycogen?

Options

  1. ALaminaria
  2. BChlamydomonas
  3. CPorphyra
  4. DDictyota

Correct answer

C. Porphyra

Step-by-step solution

Floridean starch is the reserve food material in red algae (Rhodophyceae). It is structurally very similar to amylopectin and glycogen. Among the given options, Porphyra belongs to Rhodophyceae. Laminaria and Dictyota belong to Phaeophyceae (brown algae) where the reserve food is mannitol and laminarin. Chlamydomonas belongs to Chlorophyceae (green algae) where the reserve food is starch. Answer: Porphyra

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