What is osmosis? Distinguish between endosmosis and exosmosis. write the significance of osmosis in plants.

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Osmosis is defined as a process by which the solvent molecules tend to pass through a semipermeable membrane from an area of less concentration to an area of higher concentration.

Osmosis is responsible for several vital functions in plants:

• Large quantities of water is absorbed by root and root hair from the soil by osmosis
• Osmosis is responsible for movement and distribution of water across the cells of the plant.
• Opening and closing of stomata
• Maintaining the shape and size of various plant cells
• Mechanical strength

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