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- Subject
- Biology Mcqsbiology-mcqs
- Published
- 23 May 2018
- Last updated
- 28 May 2026
Explanation
The pressure produced when salts and other solutes are actively secreted into the xylem sap, causing water to move upwards, is known as root pressure. This is different from transpiration pull, which is caused by water evaporation from leaves, and osmotic pressure, which relates to solute concentration differences.
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