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Question

Transpiration and root pressure cause water to rise in plants by:


A

pushing and pulling it, respectively

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B

pulling it upward

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C

pulling and pushing it, respectively

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D

pushing it upward

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Solution

The correct option is C

pulling and pushing it, respectively


Transpiration causes water to rise in plants by pulling it due to cohesion, adhesion and surface tension while root pressure causes water to rise by pushing it. Root pressure is a positive pressure that develops in the xylem sap of root of some plants.


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