Write the names of any nitrogen fixing bacteria.

Give examples of free living nitrogen fixing bacteria.

Identify the free living nitrogen fixing bacteria ________

Write the names of any three protozoans.

Mention any two free - living nitrogen fixing bacteria.

A free living anaerobic nitrogen fixing bacteria ………….

Write notes on nitrogenous bases

Write a short note on nitrogen oxide.

In five-kingdom classification system, the kingdom that includes, the blue-green algae, nitrogen-fixing bacteria and methanogenic archaebacteria is

Name any two ammonifying bacteria.