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Which of the following is a nitrifying bacterium?

Which of the following is a nitrifying bacterium?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Rhizobium
  • B Nictrobacter
  • C Azotobacter
  • D Pseudomonas
Correct Answer: Option B
Explanation:
Nitrobacter are chemoautrophic organisms found in soil and water responsible for the oxidation of ammonium to nitrite and nitrite to nitrate.

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