Question

A common character of monocot and dicot roots is

• A. Exarch protoxylem
• B. Endarch xylem
• C. Number of xylem strands
• D. Occurrence of secondary growth

Answer 1

The correct option is A Exarch protoxylem

The anatomy of dicot root and monocot root more or less similar in majority of characters. They are epidermis, general cortex, endodermis, type of vascular bundles, nature of xylem.

The common characters appear between the anatomy of dicot root and monocot root are

Presence of single-layered epidermis

Presence of parenchymatous general cortex

Presence of single-layered endodermis with Casparian bands.

Presence of radial vascular bundles

Presence of exarch xylem.

So, the correct option is 'Exarch protoxylem'.