Multiple choice

In which of the following processes are the species of Pseudomonas, Alkaligenes and Bacillus involved?

  1. Nitrification

  2. Ammonification

  3. Denitrification

  4. N2 fixation
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C Correct answer
Explanation

Species of Pseudomonas, Alkaligenes and Bacillus are involved in the process of denitrification. Their activities result in substantial losses of nitrogen into the atmosphere, roughly balancing the amount of nitrogen fixation that occurs each year.

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