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Question 30959
JEE Physics · Hard

Fluid Mechanics: Capillarity MCQ

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CapillarityHardQuestion 30959

Question

Rise of sap in trees involves:
  1. A
    Osmotic pressure alone
  2. B
    Capillary action and osmotic pressure
    Correct
  3. C
    Atmospheric pressure only
  4. D
    Photosynthesis creating vacuum

Correct answer

Capillary action and osmotic pressure

Explanation

Both cohesion-tension (capillary action in xylem) and osmotic pressure contribute to raising water in tall trees.

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