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Question : The cell A has an osmotic potential of -20 bars and a pressure potential of +6 bars. Whatwill be its water potential?

Answer»

`-14bars`
`+14bars`
`-20bars`
`-26bar`

Solution : `Psi_(w)=Psi_(s)+Psi_(rho)`
Where `Psi_(w)=`WATER potential ,`Psi_(s)=` osmotic potential
and `Psi_(rho)=` pressure potential
`Psi_(w)=(-20)+(+6)=-14` "BARS"`


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