Biological Classification And System Of Classification Question 73

Question: Nitrogen fixation by Nostoc takes place in [MP PMT 1996; Orissa JEE 2004]

Options:

A) Heterocysts

B) Vegetative cells

C) Akinetes

D) Hormogonia

Show Answer

Answer:

Correct Answer: A

Solution:

Heterocysts are airtight anaerobic bodies in which enzyme nitrogenase fixes atmospheric nitrogen.