Home » Rhodophyceae is also called as red algae because of the presence of a pigment called r-phycoerythrin. Algae MCQs Rhodophyceae is also called as red algae because of the presence of a pigment called r-phycoerythrin. December 31, 2021 15 Views Q. Rhodophyceae is also called as red algae because of the presence of a pigment called r-phycoerythrin. TrueFalse Answer: True
