Question

a. Mention two function of lower epidermis.

b. Where are chloroplasts present in the leaf?

c. What are the functions of xylem and phloem in leaf?

d. List one structural and one functional difference between upper and lower epidermis.​

Answer 1

a)

• Lower Epidermis: A protective layer of cells. The lower epidermis produces a waxy cuticle too in some plant species

b).

Answer 2

The most important structure on a leaf's lower epidermis is the mouth-shaped opening called the stoma. There are many stomata on each leaf - up to one million per square centimeter, and they have two main functions: to regulate gas exchange and to help prevent water loss.