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Rhizome of ginger is a modification of stem because :-

$\begin{array}{1 1}(A)\;\text{It bears adventitious roots}\\(B)\;\text{It bears nodes & internodes}\\(C)\;\text{It is underground}\\(D)\;\text{It stores food material}\end{array} $

1 Answer

To differentiate between underground stems and modified roots,standard morphological character considered is presence an absence of nodes and internodes.
Hence (B) is the correct answer.
answered May 5, 2014 by sreemathi.v