Question

Write a short note on advantages and disadvantages of transpiration.

Answer 1

Sol:
Transpiration
Transpiration is the process of water loss from leaves of plants through stomata. Transpiration mostly occurs in leaves through special structures present on them called as stomata. Transpiration always occurs against the gravity. Transpiration involves mainly the xylem cells which become active during absorption process by the roots.

Advantages of transpiration
Transpiration is helpful to plants in many ways.
It helps in the exchange of gases.
It helps in sending out excessively absorbed water by plants.
It helps in the development of the plant body.
It helps in the absorption and distribution of water in plants.
It helps in the absorption and transport of mineral salts in plants.
It provides coolness to the plant body.
Osmotic balance of the cell is maintained by the process of transpiration.

Disadvantages of transpiration
Excess transpiration causes wilting in plants.
Most of the water absorbed by more expenditure of energy is lost by transpiration.
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