# Rhizome of ginger is a modification of stem because :-

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

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.