Q. In a vascular bundle, if xylem vessels develop in a centripetal fashion, the xylem is likely to be
A) Mesarch
B) Centrarch
C) Endarch
D) Exarch
Explanation
When the protoxylem elements lie at the periphery and metaxylem in the centre, the condition is said to be exarch. Here, the direction of development is centripetal, e.g., root.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.