Question

In which of the following regions, usually stomata are seen?

• A. Cuticle
• B. Lower epidermis
• C. Bundle sheath
• D. Spongy parenchyma

Answer 1

The correct option is B Lower epidermis

Lower epidermis:
It is a single layer of parenchymatous cells with a thin cuticle. It contains numerous stomata. Chloroplasts are present only in guard cells.

• The lower epidermis helps in the exchange of gases. The loss of water vapour is facilitated through this chamber.