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Transport in Plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYTransport in Plants3 Marks
Question
Define water potential and solute potential.
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Answer

The measure of the relative tendency of water to move from one area to another, and is commonly represented by the Greek letter $\Psi_{\mathrm{w}}$ (Psi). Supplement. Water potential is caused by osmosis, gravity, mechanical pressure, or matrix effects including surface tension. Solute potential Symbol $\Psi_s$, the component of water potential that is due to the presence of solute molecules. It always has a negative value as solutes lower the water potential of the system "Solute potential"

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