Colocasia is a
Modification of root
Modification of stem
Modification of leaf
Given all
Euphorbia is example of modification of stem for
In Opuntia the stem is modified into a flattened green structure to perform the function of leaves (i.e., photosynthesis). Cite some other examples of modifications of plant parts for the purpose of photosynthesis.
Rhizome which grows vertically upwards are
Delete odd one:
$A$ : Corm grows vertically beneath soil surface.
$R$ : It bears nodes, internodes, buds & green leaves.