Question

Vegetative propagation by stem can be seen in
A) potato B) ginger C) dahlia D) both (a) & (b)

Answer 1

Both A) Potato and B) Ginger
In Dahlia vegetative propagation takes place by means of Roots, while in Ginger it occurs through underground stem called Rhizome and in Potato by means of Tuber.
Both rhizomes and tubers are types of underground stem.