Which bacteria fix atmospheric nitrogen while they are free-living in the soil?

  • A
    Azotobacter
  • B
    Rhizobium
  • C
    Cyanobacteria
  • D
    Anabaena

Explore More

Similar Questions

Nitrogen-fixing bacteria convert which of the following?

$Azotobacter$ and $Clostridium$ are nitrogen-fixing bacteria and are found in:

$N_{2} + 8e^{-} + 8H^{+} \rightarrow 2NH_{3} + H_{2}$
The above equation refers to:

The nitrogenase enzyme found in the root nodules of legumes contains:

$Nif$ genes occur in

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