Multiple choice

To convert the atmospheric nitrogen into usable nitrogen, five steps are involved. The two prominent bacteria namely Pseudomonas and Clostridium are responsible for _________________.

  1. nitrogen fixation

  2. nitrification

  3. assimilation

  4. ammonification

  5. denitrification
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E Correct answer
Explanation

When the ammonia is converted back into inert nitrogen, the process is called as denitrification. Bacteria are involved in this process which takes place in anaerobic conditions. Pseudomonas and Clostridium are responsible for the step of denitrification.  

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