Most of the plants obtain nitrogen from soil in the form of

A. Nitrite

B. Nitrate

C. Free N₂ gas

D. Nitric acid

Answer: Option B

Solution(By Examveda Team)

Most plants obtain nitrogen from the soil in the form of Nitrate.
Nitrate is the form of nitrogen most used by plants for growth and development. Nitrate is the form that can most easily be lost to groundwater.
Ammonium taken in by plants is used directly in proteins. This form is not lost as easily from the soil.