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.
$\Rightarrow$ The epidermal cells surrounded by guard cells of stomata are called subsidiary cells.
$\Rightarrow$ The difference between Guard cells and Epidermal cells.
Guard cells | Epidermal cells |
$(1)$ They are either of bean shaped or kidney shaped. | $(1)$ They are of barrel shaped. |
$(2)$ They possess chloroplast. | $(2)$ They don't have chloroplast. |
$(3)$ they are small. | $(3)$ they are big. |
$(4)$ The cell wall of guard cells is not same and they are fat/thick. | $(4)$ Epidermal cells are same and are thin walled. |
Root hairs are the
Distinguish between the following : Stem hair and root hair
Plant fibres can originate from
Write a note on the Ground Tissue System.