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Determining the water Potential of Cereliac The Celeriac Plant produces a beetroot like stem tuber. This stem tuber is called Celeriac. Water leaves or enters cell by osmosis. This depends on the water potential inside and outside the cell. Generally water travels from a region of higher water potential to a region of lower water potential. However other factors like pressure can also have an influence on osmosis. 'Pure water has the highest possible water potential.'1 To determine the water potential of celeriac we must carry out some experiments using a range of solutions with different concentrations and viewing how the cereliac samples change in the solutions by using a microscope to see how many have then plasmolysed. In the class room an experiment was carried out where the incipient point of some onion cells was found in a very similar way as described above. There is a graph present showing...

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