Sweet potato is a modified
(1) Stem
(2) Adventitious root
(3) Tap root 
(4) Rhizome

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1 Answers

The correct option is(2) Adventitious root

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 embryo. 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 underground stem, e.g, Zingiber Officinale.

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