Which one of the following statements is wrong?

  • A
    Water potential is the chemical potential of the water
  • B
    Solute potential is always negative
  • C
    Pressure potential is zero in a flaccid cell
  • D
    Water potential equals solute potential in a fully turgid cell

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Study the following table showing the components of water potential in closely arranged mesophyll cells namely $A, B$ and $C$.
Cell Osmotic Potential (MPa) Pressure Potential (MPa)
$A$ $-0.21$ $0.05$
$B$ $-0.22$ $0.02$
$C$ $-0.23$ $0.05$

Identify two of the following,which show correct direction of water movement between two cells.
$I. A \rightarrow B$ $II. B \rightarrow C$ $III. C \rightarrow A$ $IV. C \rightarrow B$

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The potential energy of water is referred to as

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