What is the Function of the Epidermis

Question

What is the function of the epidermis?  
A) Secretion of lignin
B) Pliable structural support
C) Photosynthesis
D) Forms protective cover on older stems and roots
E) Control of gas exchange and water loss

Accepted Answer

The function of the epidermis is to provide a protective cover over the plant's organs and tissues. Additionally, it also controls gas exchange and water loss through specialized structures such as stomata and cuticles.