Q. Microbial degradation of nitrates into atmospheric nitrogen is known as _____:
Answer: Denitrification
Notes: Denitrification is the biological conversion of nitrate to nitrogen gas, nitric oxide or nitrous oxide. It involves nitrate reduction by bacterial species such as Pseudomonas and Clostridium, usually in anaerobic conditions that ultimately produces molecular nitrogen (N2). These bacteria use nitrate as an electron acceptor instead of oxygen during respiration.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 159 in 1. Introduction to Environment & Ecology in above course in App.