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

  • A
    Rhizobium,Azotobacter
  • B
    Pseudomonas,Chlamydomonas
  • C
    Nostoc,Anabaena
  • D
    Azospirillum,Azotobacter

Explore More

Similar Questions

Enzyme nitrogenase is responsible for

Which one of the following elements plays an important role in biological nitrogen fixation?

Nitrogen-fixing bacteria convert which of the following?

During biological nitrogen fixation,inactivation of nitrogenase by oxygen poisoning is prevented by

Which of the following is/are diazotrophs?

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