Doubt by Sayan Panja

Q31, Mineral Nutrition, Years Question, Why NO2 in air is not the answer? Having approx 78% in air N2, it can not take directly by plant.

Answers

Answer by Isha Agarwal

Nitrogen is not taken directly but still it is consumed by the plant(benefited) in the form of nitrate (NO3−) and ammonium (NH4+). O3 is not absorbed by plant in any form as it is harmful.