NEET Biology Biological Classification Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Question & Answer Discuss:

The given characters are seen in which of the following group?

1. Unicellular, colonial, filamentous, marine or terrestrial forms.
2. The colonies are surrounded by a gelatinous sheath.
3. Some can fix atmospheric nitrogen in specialized cells called heterocysts.
4. They often form blooms in water bodies.

(a) Chrysophytes

(b) Archaebacteria

(c) Cyanobacteria

(d) Dinoflagellates