Mature wood stem has a peripheral water proof tissue with opening in the form of scars on its surface. They are
Epidermal cells
Guard cells
Lenticels
Stomata
Root hairs are
draw labelled diagram of stomata of dicot and monocoat.
The stomatal pore is guarded by two kidney shaped guard cells. Name the epidermal cells surrounding the guard cells. How does a guard cell differ from an epidermal cell ? Use a diagram to illustrate your answer.
Write a note on the Ground Tissue System.