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I. Unicellular. Colonial, filamentous, m...

I. Unicellular. Colonial, filamentous, marine or terrestrial forms
II. The colonial , filamentous, marine or terrestrial forms
III. Some can fix atmospheric nitrogen in specialised cells called heterocysts
IV. They often form blooms in water bodies.
these above characters are seen in

A

Archaebacteria

B

Cyanobacteria

C

Chrysophytes

D

Dinoflagellates

Text Solution

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The correct Answer is:
B
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