Multiple choice

Which of the following factors drives the flow of water through plant and soil?

a. Hydrostatic pressure b. Water potential c. Diffusion d. All of the above

  1. a

  2. b

  3. c

  4. d
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Flow of water through plants and soil is driven by gradient in hydrostatic pressure over macroscopic distances, by water potential across semipermeable membrane and by diffusion as water vapour from the leaves to the atmosphere.

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