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 ?
[amp_mcq option1=”Diffusion” option2=”Osmosis” option3=”Plasmolysis” option4=”Deplasmolysis” correct=”option1″]
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UPSC Geoscientist – 2024
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.