Home Biology Biological Classification Kingdom Classification Specialized cell of nostoc and anabaena fix …
Biology Biological Classification Kingdom Classification Single Correct MCQ
Published on: August 12, 2026

Specialized cell of nostoc and anabaena fix nitrogen are known as

A
Cyst
B
Heterocyst
C
Oocytes
D
Cholecyst

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Verified by Experts
The correct answer is:
B

In cyanobacteria like Robert Whittaker-classified Monera members such as Nostoc and Anabaena, heterocysts are specialized cells that fix atmospheric nitrogen into usable forms.

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