Question:medium

Which of the following have the ability to convert ammonia into nitrite ?
(A) Nitrosomonas
(B) Nitrosospira
(C) Nitrosococcus
(D) Nitrobacter
(E) Nitrococcus
Choose the correct answer from the options given below :

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To easily differentiate these bacteria in exams: genera starting with 'Nitroso-' oxidize ammonia to nitrite, while those starting with 'Nitro-' oxidize nitrite to nitrate.
Updated On: Jul 23, 2026
  • (A), (B), (D) and (E) only.
  • (A), (B), (C) and (D) only.
  • (A), (B) and (C) only.
  • (D) and (E) only.
Show Solution

The Correct Option is C

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