Question

All given modifications belong to adventitious roots, except

• A. Reproductive root of Asparagus
• B. Storage roots of sweet potato
• C. Conical roots of carrot
• D. Prop roots of banyan tree

Answer 1

The correct option is C Conical roots of carrot

• Adventitious roots are those parts that arise from the organ other than the roots. They usually arise from the stem, internodes, leaves.
• They may be underground or aerial. Examples include rhizomes, corms, tubers.

A. The reproductive root of Asparagus is an adventitious root. It occurs in clusters and it is swollen.

B. In sweet potato, adventitious roots grow from the nodes of the running stem. They are also called storage roots and edible root-tubers.

C. Conical roots of carrot is an example of the taproot.

D. In the banyan tree, horizontal aerial branches give rise to aerial adventitious roots. They are also called prop roots, as they support horizontal branches.

Thus, the correct answer is option C.