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Transport in Plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYTransport in Plants1 Mark
MCQ
From active hydathodes, the water comes out by:
  • A
    Osmotic pressure
  • B
    Secreted by force developed within cells
  • ✓
    Root pressure
  • D
    None of the above
✓

Answer

Correct option: C.
Root pressure
From hydathodes water is lost in liquid form through a process called as guttation.
The force responsible for guttation is root pressure.
Guttation occurs when loss of water through transpiration is less and excess water is absorbed by plant roots.

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