Which one of the following is a free living nitrogen-fixing bacterium?

Rhizobium

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Azotobacter

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Nitrococcus

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both A and B

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Azotobacter
Azotobacter is a free-living nitrogen-fixing bacteria. Rhizobium lives in symbiotic association with roots of leguminous plants.
Hence, the correct answer is 'Azotobacter'

Suggest Corrections