Q. Cortex consists of three sub-zones in dicot stem, they are I. hypodermis II. cortical layer III. pericycle IV. endodermis V. epidermis
A) All except I and II
B) All except II and III
C) All except IV and V
D) All except III and V
Explanation
All except II and IV. Hypodermis consists of a few layers of collenchymatous cells just below the epidermis, which provides mechanical strength to the young stem. Cortical layers below the hypodermis consists of rounded thin-walled parenchymatous cells with conspicuous intercellular spaces
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.