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Three identical plant cells were put into one of three different concentrations of sugar solution, 10%, 5% and 2.5%.

The cells were left for 50 minutes and then observed using a light microscope. 

Which statement is not correct? 

1 ) 

Cell X has the same water potential as the sugar solution it was put into.  

2 ) 

Cell Y is turgid and cell Z is plasmolysed.

3 ) 

Cell Y was put into the 2.5% sugar solution.  

4 ) 

Cell Z had a more negative water potential than the sugar solution it was put into. 

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