Q. Heterocysts are found in
A) Cyanophyceae
B) Chlorophyceae
C) Phaeophyceae
D) Rhodophyceae
Explanation
In Cyanophyceae many filamentous forms possess some specialized cells of disputed nature called heterocysts, which help in nitrogen fixation, $e.g.,\ Nostoc,\ Anabaena,\ etc.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.