Question

(a)Explain the significance of the following:

(i) Epidermis has thick waxy coating of cutin in desert

plants.

(ii) Small pores in epidermis of leaf.

(iii) Numerous layers of epidermis in cactus.

(iv) Presence of a chemical suberin in cork cells.
please fast exam 10:00 finish​

Answer 1

Answer:

1. To cut off the speed of transpiration.

2. For gaseous exchange, are called stomata

3. To prevent the loss of water due to transpiration

4. Provides impermeability and provides strength