Which one of the following processes describes the movement of particl

Which one of the following processes describes the movement of particles or molecules from a region of higher concentration to a region of lower concentration ?

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Diffusion

Osmosis

Plasmolysis

Deplasmolysis

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UPSC Geoscientist – 2024

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Diffusion is the net movement of molecules from a region of higher concentration to a region of lower concentration, driven by the concentration gradient. This process does not require a semi-permeable membrane or external energy input and continues until equilibrium is reached.

Diffusion is the movement of particles from high to low concentration.

Osmosis is a specific type of diffusion involving the movement of water across a selectively permeable membrane from a region of higher water potential (lower solute concentration) to a region of lower water potential (higher solute concentration). Plasmolysis and deplasmolysis relate to the effect of osmotic water movement on plant cells.

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