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Mineral Nutrition

Question
CBSEENBI11002091

The first stable product of fixation of atmospheric nitrogen in leguminous plants is

  • NO2-

  • ammonia

  • NO3-

  • glutamate

Solution

B.

ammonia

The process of conversion of nitrogen (N2) to ammonia is termed as nitrogen fixation.
stack straight N subscript 2 with left parenthesis nitrogen right parenthesis below space rightwards arrow stack straight N subscript 2 straight H subscript 2 space with Dimide below rightwards arrow stack straight N subscript 2 straight H subscript 4 with Hydrazine below rightwards arrow 2 stack NH subscript 3 with ammonia below

2 NH subscript 3 space plus 3 straight O subscript 2 space rightwards arrow 2 NO subscript 2 superscript minus plus 2 straight H to the power of plus plus 2 straight H subscript 2 straight O
2 NO subscript 2 space plus straight O subscript 2 space rightwards arrow space 2 NO subscript 3 superscript minus
In reductive animation, ammonia reacts with alpha-ketoglutaric acid and forms glutamic acid alpha-ketoglutaric acid +NH4+ +NADPH
rightwards arrow from Dehyrogenae to Glutamate of space Glutamate space plus straight H subscript 2 straight O space plus NADP