Question

Guard cells are important for functioning of stomata

Answer 1

yes this is important for stomata

Answer 2

Guard cells are important for functioning of stomata .

Each stoma is guarded by a pair of bean shaped guard cells which govern the opening and closing of stomatal aperture.
That's why they are important.


Stomata :
Cells form a continuous layer , but in leavers epidermis has small openings called stomata.

Stomata in the epidermis of leaves help in gaseous exchange during respiration and photosynthesis.