Nitrogen fixation by Nostoc takes place in [MP PMT 199 – McqOptions

MCQOPTIONS

1.	Nitrogen fixation by Nostoc takes place in [MP PMT 1996; Orissa JEE 2004]
A.	Heterocysts
B.	Vegetative cells
C.	Akinetes
D.	Hormogonia
Answer» B. Vegetative cells

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