Choose incorrect sentence :
Phellogen, phellem and phelloderm are collectively known as periderm
Secondary growth occurs in stems and roots of gymnosperm however, secondary growth does not occur in monocotyledons
Phellogen is made of narrow, thin walled and nearly rectangular cells
Annual rings seen in a cut stem indicate capacity of absorption of water
In which of the following secondary growth takes place
In summer, cambium
The organisation of the shoot apex into tunica and corpus is determined largely on the basis of
Growth rings are well marked in trees growing in
Cork cells are