What is 'root pressure' in plants?

Type: MCQ • Marks: 1

A. Gravity pulling soil down

B. Positive pressure generated in root xylem by active mineral uptake pushing water upward

C. Pressure exerted by wind on roots

D. Pressure caused by leaf transpiration

Explanation

Active transport of ions into root vascular tissue creates an osmotic gradient that drives water in, generating positive root pressure.

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Class 7th Curiosity

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