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Nitrogen is absorbed by plants in form o...

Nitrogen is absorbed by plants in form of

A

`NO_(3)^(-)`

B

`NH_(3)`

C

`NO_(2)^(-)`

D

both a and c

Text Solution

Verified by Experts

The correct Answer is:
D

Plants obtain nitrogen from soil as `NO_(3)^(-)` (nitrate), `NH_(4)^(+)` (ammonium) and `NO_(2)^(-)` (nitrite) ions. Nitrate and nitrite are reduced to ammonium state which is then incorporated into amino acids, proteins and other organic substances.
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Knowledge Check

  • Nitrogen gas is absorbed by:

    A
    Aluminium carbide
    B
    Calcium carbide
    C
    Ferrous sulphate
    D
    Calcium hydroxide
  • Nitric acid is absorbed by:

    A
    `KOH` solution
    B
    `FeSO_4` solution
    C
    Dilute `H_2SO_4`
    D
    Alkaline `pyrogallol`
  • Nitrogen was discovered by:

    A
    Cavendish
    B
    Lavoisier
    C
    Scheele
    D
    Daniel Rutherdord
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