Q 2063856745.     .Reaction carried out by `N_2` fixing microbes include

`2NH_3+3O_2 -> 2NO_2+2H^+ +2H_2O \ \ \ (i)`

`2NO_2+ O_2 -> 2NO_3 \ \ \ (ii)`

Which of the following statements about these equations is not true?


NCERT Exemplar 12/05/MCQ
A

Step (i) is carried out by Nitrosomonas or Nitrosococcus.

B

Step (ii) is carried out by Nitrobacter

C

Both steps (i) and (ii) can be called nitrification

D

Bacteria carrying out these steps are usually photoautotrophs.

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