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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
In nitrogen cycle, which bacteria are responsible for nitrification:
  • A
    Clostridium.
  • B
    Rhizobium.
  • C
    Nitrosomonas.
  • ✓
    Nitrosomonas and Nitrobacter.
✓

Answer

Correct option: D.
Nitrosomonas and Nitrobacter.
Nitrosomonas and Nitrobacter are bacteria that carry out nitrification.
Nitrosomonas oxidize ammonia into nitrite. Nitrobacter break down nitrite into nitrate.

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