Home
Class 12
BIOLOGY
Cork is formed in extrasteller region fr...

Cork is formed in extrasteller region from

A

dermatogen

B

phellogen

C

xylem

D

vascular cambium

Text Solution

Verified by Experts

The correct Answer is:
b

The cork cambium or phellogen cells divide periclinally cutting off cells towards the outside and inside . The cells cut off towards the out side becomes suberised and dead . These are compactly packed in radial rows without intercellular spaces anda form cork or phellem.
Cork is impervious to water due to the suberin and provides protection to underlying tissues . the cells cut off from cork cambium towards inside add to the cortex and are called secondary cortex cells or phelloderm cells.
Promotional Banner

Similar Questions

Explore conceptually related problems

Secondary growth in extrasteler region is due to activity of

Cork cells are

Dedifferentiated cells are formed in the region of

Assertion :- Most distinct annual rings are formed in tropical regions. Reason :- Climatic variations are sharp in tropical regions.

Cork cambium in dicot stem origintes from

Speciation in geographically separated region forms

Barr body is formed by conversion of euchromatic regions of one X-chromosome into

Cork formed during secondary growth in dicot root, protects the root interior from

A satellite, rotating around the earth has water in a jar inside it. A cork is pushed into the water in the jar and then released. The cork will

Cork is an execellent material for making bottle stopper because it is