The position of cambium ring at the time of its origin in a dicot root is:
Completely outside xylem and phloem.
Completely inside xylem and phloem.
Internal to phloem and external to xylem.
External to phloem and internal to xylem.
The cambium ring is wavy in outline, as it passes internal to phloem and external to xylem groups.
The cambium ring at the time of its origin in a dicot root
The formation of cambium ring in dicot root is same as what we see in the dicot stem.