Symbiotic prokaryotic organism which fixes atmos- pheric `N_2`

Symbiotic organisms with legumes is

Name the organism which is prokaryote.

Which is the prokaryotic free-living organism that fixes nitrogen.

What is symbiosis ? Name a symbiotic life form. Mention specific organisms which display the symbiotic relationship in this life form.

What are biofertilizers? Name two organism which fix nitrogen asymbiotically and two organisms with fix symbiotically.

Symbiotic bacteria that fixes the nitrogen is ……

Rhizobium fixes atmospheric N_2 symbiotically in:

Unicellular prokaryotic organisms are included in which kingdom?

---------------- is a symbiotic bacteria which fixes nitrogen in leguminous palnts.