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Which of the following elements helps in $N_2$ fixation in the roots of leguminous plants?

$\begin{array}{1 1}(A)\;\text{Mn}\\(B)\;\text{Zn}\\(C)\;\text{Mo}\\(D)\;\text{B}\end{array} $

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Mo
Hence (C) is the correct answer.
answered Jul 16, 2014 by sreemathi.v
 
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