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Discussion

Class-IX Preparation for ICSE
(1)

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Which of the following processes does not take place through osmosis?

 
Preparation of food in plants
The opening and closing of stomata
Turgidity in plants
Absorbtion of water by roots

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Roopkaur

When the water potential of the adjacent cells is lower than that in the cell sap of the guard cells, water molecules move out of the guard cells into the adjacent cells by osmosis. When this happens, the guard cells become plasmolysed which in turn causes the stoma to close

Aryan Bhatt

How is osmosis used in opening and closing of stomata?