Match the following columns related to nitrogen cycle Column - I Column

Question

Match the following columns related to nitrogen cycle

\begin{matrix} Column - I & Column - II A. Nitrogen fixation & 1.Conversion of N H_{3} to N O_{3}^{-} B. Nitrogen assimilation & 2.Conversion of N O_{3}^{-} or N H_{3} to organic nitrogen C. Ammonification & 3.Conversion of N O_{3}^{-} to atmospheric nitrogen D. Nitrification & 4.Conversion of N_{2} t o N O_{3}^{-} or N H_{3} E. Denitrification & 5.Conversion of organic nitrogen to N H_{3} \end{matrix}

Options:

A . A - 1, B - 2, C - 3, D - 4, E - 5

B . A - 4, B - 2, C - 5, D - 1, E - 3

C . A - 5, B - 4, C - 3, D - 2, E - 1

D . A - 4, B - 2, C - 5, D - 3, E - 1

Answer: Option B
:
B
Nitrogen cycle involves five steps- nitrogen fixation, nitrogen assimilation, ammonification, nitrification and denitrification. The product of one step is the substrate for the next step.

\begin{matrix} Column - I & Column - II A. Nitrogen fixation & 4.Conversion of N_{2} t o N O_{3}^{-} or N H_{3} B. Nitrogen assimilation & 2.Conversion of N O_{3}^{-} or N H_{3} to organic nitrogen C. Ammonification & 5.Conversion of organic nitrogen to N H_{3} D. Nitrification & 1.Conversion of N H_{3} to N O_{3}^{-} E. Denitrification & 3.Conversion of N O_{3}^{-} to atmospheric nitrogen \end{matrix}

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