Question

transpiration is least in​

Answer 1

Answer:

Transpiration is least in high atmospheric humidity. The rate of transpiration is directly proportional to the saturation deficit. In other words, transpiration rate depends upon the gradient of vapour pressure. Hence, at high atmospheric humidity transpiration rate is low.

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Answer 2

Explanation:

Transpiration is the process by which plants lose water in the vapour form, from the aerial parts of the plant.

• It is a necessary process, because

• It helps to remove excess water.

• It provides cooling effect in higher temperature.

• It helps to absorb and distribute the salts.

• It helps for the upward movement of cell sap through the xylem.