MCQ
Ammonia $\left( NH _3^{+}\right)$is converted into nitrite $\left( NO _2^{-}\right)$by a bacterium called:
  • A
    Nitrobacter bacterium
  • B
    Rhizobium
  • C
    Anabaena azollae
  • Nitrosomonas

Answer

Correct option: D.
Nitrosomonas
Nitrosomonas

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