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Nitrogen-fixation refers to...

Nitrogen-fixation refers to

A

conversion of soil nitrogen into atmospheric nitrogn `(N_(2))`

B

converseion of atmospheric molcular nitrogen `(N_(2))` into easily absorbable forms

C

utilisation of nitrogen compounds in the soil by the plants

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Nitrogen fixation is

    A
    Converting nitrogen in the air to form a usable form by plants
    B
    Recycling nitrogen from organic matter in the soil
    C
    Absorbing nitrogen from the soil.
    D
    Conversion of `NO_(3)` to `N_(2)`

  • Nitrogen fixation is

    A
    Performed by plants only
    B
    The oxidation of `N_(2)`
    C
    The reduction of `NH_(3)` to `NO_(3)`
    D
    Multi-stepped chemical reaction

  • Nitrogen fixation is

    A
    Nitrogen `rarr` Ammonia
    B
    Nitorgen `rarr` Nitrates
    C
    Nitrogen `rarr` Amino acids
    D
    Both A and B

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