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Which is the first stable product of nitrogen fixation?

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in Biology – Class 11 by (272k points)
Which is the first stable product of nitrogen fixation?

(a) N2

(b) NH3

(c) NH4^+

(d) NO3^–

The question was posed to me in an online interview.

The doubt is from Mineral Nutrition topic in section Mineral Nutrition of Biology – Class 11

1 Answer

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Best answer
Correct answer is (b) NH3

The best explanation: NH3 is the first stable product of nitrogen fixation. N2 is the form in which nitrogen naturally exists. NO3^– is the form of nitrogen taken up by the plants. NH4^+ is the toxic form of nitrogen which gets accumulated in plants.

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