MCQ
Heterocysts are found in certain
  • A
    Viruses
  • B
    Bacteria
  • Cyanobacteria
  • D
    Mycoplasmas

Answer

Correct option: C.
Cyanobacteria
c
(c)Some cynobacteria possess heterocyst like Nostoc, Scytonema etc. Heterocyst is a site of $N_2$ fixation.

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