Passive absorption occurs due to

Tension in root

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Tension in xylem sap

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ATP

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None of the above

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Solution

The correct option is A Tension in xylem sap
Passive absorption is the absorption without the use of energy or ATP.
It occurs when there is tension in xylem sap which causes concentration gradient and liquid moves without the use of energy according to the concentration gradient.
So, the correct answer is 'Tension in xylem sap'

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