Question

Mannitol is the stored food in of

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

Answer 1

Answer: (C)

Fucus belong to class-Phaeophyceae, in which reserve food is found in form of laminarin, mannitol and oil. Chara belongs to class-Chlorophyceae, in which reserve food is found in form of starch and oil. Porphyra and Gracillaria belong to class-Rhodophyceae, in which reserve food is found in form of Floridan starch and Galactan- $S{O}_4$ polymers.