Which of the following groups of algae produces algin ?
Phaeophyceae and chlorophyceae
Rhodophyceae and Phaeophyceae
Cholrophyeceae and Rhodophyceae
Phaeophyceae only
Classes of Algae -
-
Algin or alginic acid is an anionic polysaccharide present in the cell walls of brown algae or Phaeophyceae