Question

In Cycas, Diploxylic condition occurs in

• A. Root
• B. Stem
• C. Coralloid root
• D. Leaflet

Answer 1

The correct option is D Leaflet

Diploxylic condition occurs in Cycas in leaflet. Leaflet of Cycas is diploxylic means 2 types of xylem are present, such as-

Centripetal (exarch)- when there is more than one strand of primary xylem in a stem or root, and the xylem develops from the outside inwards towards the center, i.e., centripetally.

Centrifugal (endarch)- when there is more than one strand of primary xylem in a stem or root, and the xylem develops from the inside outwards towards the periphery, i.e., centrifugally.