Sweet potato is a modified

Options

A. tap root
B. adventitious root
C. stem
D. rhizome

Explanation

Sweet potato is a modified adventitious root which is meant for storage of food. It does not assume a definite shape and occurs singly.
Tap roots develop from the radicle of the emb1yo. They gradually become narrow towards the tip. Stem is usually the above-ground erect ascending part of the plant body. It bears leaves and flowers.
Rhizome is modified undergrou nd stem, e.g., Zingiber officinale.