Question

The agent denoted as 'X' in the following reaction of nitrogen metabolism is HNO3 +4H2 -------X------->NH3+3H2O

• A. Azotobacter
• B. Clostridium
• C. Micrococcus
• D. Thiobacillus

Answer 1

Answer:

A. Azotobacter

Azotobacter is a genus of usually motile, oval or spherical bacteria that form thick-walled cysts and may produce large quantities of capsular slime.