A. Pinnularia, Navicula, Cymbella, Melosira
B. Euglenamorpha, Hedneria , Heteronema, Colacium
C. Nostoc, Anabaena, Aulosira, Cylindrospermum
D. Cochlodinium, Gymnodinium, Lenodinium, Peridinium
Correct Answer: Pinnularia, Navicula, Cymbella, Melosira ✔
Last Updated: October 05, 2021