Which of the following organisms fixes atmospheric nitrogen in a free-living state?

  • A
    Azospirillum
  • B
    Azotobacter
  • C
    Nostoc
  • D
    Both $(A)$ and $(B)$

Explore More

Similar Questions

If all $Nitrogenase$ enzymes are destroyed by radiation,what will not occur?

Nitrogen-fixing bacteria convert which of the following?

The enzyme nitrogenase is protected from the inhibitory effects of oxygen in root nodules by .............

Which of the following are free-living nitrogen-fixing bacteria?

$N_2 + 8e^- + X + 16 ATP \rightleftharpoons 2NH_3 + Y + 16 ADP + 16 \Pi$

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo