Question

Select the correct statement regarding economic importance of algae.

• A. They decrease the level of dissolved oxygen in their immediate environment
• B. Carrageen is hydrocolloid obtained from brown algae
• C. Fucus is rich source of iodine
• D. Algin is obtained from Gracilaria

Answer 1

The correct option is C Fucus is rich source of iodine

Agar is obtained from Gracilaria. Algin and carrageen are obtained from brown and red algae, respectively. Iodine is found in soil and the ocean, which varies in amount and will affect how much of the mineral is contained in a food.

Fucus and Laminaria are rich source of iodine. 25% of iodine is obtained from kelps and it also contain Br, Cu, Zn, Fe, Mn, Mo etc.