Question

How plants prevent loss of water from their aerial surface.

Answer 1

The following are the ways in which a plant prevent loss of water from the aerial surfaces.

Explanation:

• There are a few adaptations in plants which help them to prevent the loss of water.

• In most plants, the epidermis is covered with a thick waxy layer which is called as the cuticle. The cuticle allows acts as a coating and prevents the loss of water through the aerial parts.

• The plant leaves have stomata. The stomata close in order to prevent the loss of water through the leave surfaces.

Answer 2

POP-UP –Many plant leaves have stomata only on their lower surface to help avoid water loss. ... Stomata – Stomata are pores in the leaf that allow gas exchange where water vapor leaves the plant and carbon dioxide enters. Special cells called guard cells control each pore's opening or closing.