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

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. 

(d)