Q. In rhizome of Pteridium, stele, which is composed of two or more than two concentric rings of vascular bundles is called
A) Polycyclic
B) Siphonostele
C) Ectophloic siphonostele
D) Cladosiphonostele
Explanation
The stele composed of two or more than two concentric rings of vascular bundles is called polycyclic, as found in Pteridium rhizome.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.