Question

Given below is a diagrammatic sketch (surface view) of a stomatal apparatus from a dicot leaf.

(a) Label the parts numbers 1-3

(b) Is this state, open or closed?

(c) Is this stoma, of a dicot leaf or a monocot leaf?

(d) Redraw a sketch of the stomatal apparatus in the state opposite to the one shown here.

Answer 1

(a)

1- Guard Cell 

2- Inner wall of the Guard Cell 

3- Stoma/Stomatal Aperture 

(b) Open state 

(c) The structure of stoma remains same in monocots as well as in dicots. Hence, the stoma from the diagram can be of a monocot leaf or of a dicot leaf.