Which one of the following statements is correct?

Options

A. Algae increae the level of dissolved oxygen in the immediate environment
B. Algini is obtained from red algae, and carrageenan from brown algae
C. agar-agar is obtained from Gelidium and Gracilaria
D. laminaria and Sargassum are used as food

Answer

B

Explanation

Algin is obtained from brown algae and carrageenan from red algae.