Multiple choice

The conversion of NO3 to N2 is called

  1. nitrification

  2. denitrification

  3. nitrogen fixation

  4. ammonification

  5. -

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Denitrification is a microbially facilitated process of nitrate reduction (performed by a large group of heterotrophic facultative anaerobic bacteria) that may ultimately produce molecular nitrogen through a series of intermediate gaseous nitrogen oxide products.