First slide

Secondary Growth

Question

Which is not true about phellogen?

Easy

A

It is extra stelar cambium.
B

It is formed by redifferentiation of cortical cells in dicot roots.
C

It is made up of narrow, thin-walled nearly rectangular cells.
D

It is also known as cork cambium.

Solution

Phellogen is formed due to dedifferentiation from cortex of dicot stems and pericycle of dicot roots at the time of secondary growth.

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