Advantages of transpiration in plants---
1.It generates a suction pull which helps to pull water up the roots.
2.It also helps to cool down the plants.
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When there is enough soil water available to the plant, excess water taken in is given off through stomata by transpiration. This enables the plant to replace its water supplies with fresh water continually.
Transpiration helps to keep the leaves cool in hot weather.
Transpiration causes a suction force, called transpiration pull, which allows essential elements and water to be drawn up to the plant body to a great height.

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It helps to cool down the plants.
it help in the preparation of food in plants