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JIPMER 2017
Exam
JIPMER
Year
2017
Subject
Botany
Chapter
Mineral Nutrition

JIPMER 2017 · Botany · Mineral Nutrition

The first stable product of fixation of atmospheric nitrogen in...

The first stable product of fixation of atmospheric nitrogen in leguminous plant isThe first stable product of fixation of atmospheric nitrogen in leguminous plant is

Options

  1. ANO2−\mathrm{NO}_2^{-}
  2. Bammonia
  3. CNO3−\mathrm{NO}_3^{-}
  4. Dglutamate

Correct answer

B. ammonia

Step-by-step solution

The first stable product of fixation of atmospheric nitrogen in leguminous plant is The fixation of atmospheric nitrogen to ammonia is given as N2+8e−+8H++16ATP→ Nitrogenase MO−Fe2NH3+H2+16ADP+16\mathrm{N}_2+8 \mathrm{e}^{-}+8 \mathrm{H}^{+}+16 \mathrm{ATP} \xrightarrow[\text{ Nitrogenase }]{\mathrm{MO}-\mathrm{Fe}} 2 \mathrm{NH}_3+\mathrm{H}_2+16 \mathrm{ADP}+16Pi\mathrm{Pi} The process in which atmospheric nitrogen gets concerted into inorganic nitrogenon (nitrate, ammonia) compounds through microorganisms is called biological nitrogen fixing.
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