Question

Which one of the following statements is wrong?

(a) Chlorella and Spirulina are used as space food.

(b) Mannitol is stored food in Rhodophyceae.

(c) Algin and carrageenan are products of algae.

(d) Agar­agar is obtained from Gelidium and Gracilaria.

Answer 1

Ans: (b) Mannitol is stored food in Rhodophyceae.

Sol: Laminarin and mannitol are food reserves of brown algae or Phaeophyceae. Rhodophycean algae store food in the form of floridean starch.