Question

Which one of the following statements is wrong.

• A. Laminaria and Sargassum are used as food
• B. Algae increase the level of dissolved oxygen in the immediate environment
• C. Algin is obtained from red algae and carrageenan from brown algae
• D. Agar-agar is obtained from Gelidium and Gracilaria

Answer 1

The correct option is C Algin is obtained from red algae and carrageenan from brown algae

Algin is obtained from brown algae and carrageenan is obtained from red algae. Carrageenan is present in red seaweeds. It is used to thicken a variety of foods, ice cream, salad dressings, chocolate milk, and jellies. Algin is present in brown seaweeds.

So, option C is the correct option.