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Plant Water Relation — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYPlant Water Relation5 Marks
Question
Water potential.
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Answer

  1. Chemical potential of water is called water potential.
  2. The Greek letter (ψ) psi represents water potential.
  3. The unit of measurement is in bars/pascals (Pa) or atmosphere.
  4. Water potential of pure water is always zero.
  5. Water potential of protoplasm is equal to D.PD. but it has a negative value.
  6. Water always moves from less negative potential to more negative water potential.

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