Question

How is transpiration useful in plants? (any two points)

Answer 1

Answer:

This is transpiration. It has two main functions: cooling the plant and pumping water and minerals to the leaves for photosynthesis. Plants need to cool themselves for several reasons. ... The stomata (pores) must open to take in carbon dioxide for photosynthesis (especially important on mornings of sunny days).

Answer 2

Answer:

1) Transpiration is a process of loss of excess water in the form of water vapour from the stomata.

2) It helps in maintaining cohesion-adhesion tension, so that water can move through xylem up to leaves.

3) It helps in cooling process of tree.