Q70 / 200 · JIPMER 2008 · Botany

Nitrifying bacteria are able to

  • A
    convert atmospheric nitrogen into soluble forms
  • Correct answer
    B
    convert ammonia to nitrate
  • C
    ammonia to nitrogen
  • D
    nitrate to nitrogen

Solution

Most of the ammonia produced in the soil is acted upon by nitrifying bacteria. Ammonia is changed to nitrate. The reaction occurs in two steps nitrite formation (eg, Nitrosomonas) and nitrate formation (eg, Nitrobacter).

Hence, the correct answer is option: 'B'.

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