Q. Nitrifying bacteria
A) Reduce nitrates to free nitrogen
B) Oxidize ammonia to nitrates
C) Convert free nitrogen to nitrogen compounds
D) Convert proteins into ammonia
Explanation
[Solution from source] Nitrifying bacteria oxidise ammonia: Nitrosomonas converts it to nitrite and Nitrobacter converts nitrite to nitrate. Reducing nitrate to free nitrogen is denitrification, and converting free nitrogen to compounds is nitrogen fixation. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.