Question

Mannitol (sugar alcohol) is the stored food in

• A. Porphyra
• B. Gracilaria
• C. Fucus
• D. Chara

Answer 1

Answer: (C)

Food is stored as complex carbohydrates; in the form of laminarin or mannitol in Phaeophycease (Brown algae). For example, Laminaria, Sargassum, Ectocarpus, Dictyota, Fucus.

Stored food in Gracilaria and Porphyra is floridean starch.

Stored food in Chara is starch.

Thus, the correct answer is option C.