Angiosperm contains
Trachieds
Vessels
Both $(a)$ and $(b)$
None of these
Stomata in grass leaf are
The specialised epidermal cells present in the vicinity of guard cells are called
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.
Cuticle is secreted by