Root pressure is due to

Passive transport

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Gravitation

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Active transport

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None of the above

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Solution

The correct option is B Active transport
Root pressure theory was advanced by Priestley. According to this theory, water rises upwardly in the xylem due to positive pressure developed in the root. This positive pressure develops by active transport of minerals ions by roots. Thus, the correct answer is option C.

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Similar questions

Mark the inappropriate term w.r.t the glomerular filtration

A. Nonselective

B. Passive process

C. Active process

D. Occurs due to pressure difference

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