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The upward push of water in the xylem caused by the active uptake of ions at the root is known as:

Question
The upward push of water in the xylem caused by the active uptake of ions at the root is known as:
Transpiration pull
Root pressure
Osmotic pressure of leaves
Capillary pull
Answer
Root pressure
Detailed Explanation
The steady movement of water into the root xylem, creating a column of water pushed upward, is caused by root pressure.
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