Q. I. During secondary growth, a complete ring is formed by vascular cambium II. Interfascicular cambium originates from medullary ray cells III. Vascular cambium form xylem on the inside and phloem on the outside due to differential action of hormones Select the correct combination of option

A) I and II are correct
B) II and III are correct
C) I and III are correct
D) I, II and III
Explanation

During the secondary growth, the continuous ring of cambium is formed by joining of intrafascicular cambium and interfascicular cambium not by vascular cambium. Vascular cambium form xylem on the its inside and phloem on outside due to differential action of for more

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.