Q. Of the following groups, which secrete and deposit calcium carbonate and appear like corals?
A) Green algae
B) Brown algae
C) Blue-green algae
D) All of these
Explanation
Red algae secrete and deposit calcium carbonate and appear like corals.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.