MCQ
अधिकांश पौधे नत्रजन का उपयोग करते है
  • A
    $NH_2$​​​​​​​
  • B
    $N_2$​​​​​​​
  • $NO _3^{-}$
  • D
    $NO _2^{-}$

Answer

Correct option: C.
$NO _3^{-}$
$NO _3^{-}$

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