Demonstration of Osmosis:
The procedure of osmosis might be explained by the simple osmometer that is also termed as the thistle funnel experiment.Potato Osmoscope:
Explanation of osmosis in a living system can be done employing the potato osmoscope.
A potato is peeled and one side is flattened that serves as the base. A cavity is made in the potato and is filled with concentrated sugar solution and a pin mark is made to point out the initial level. This potato is then positioned in a beaker having colored water for some time.
Figure: Potato osmoscope
Observation:
It is noticed that the sugar solution in the cavity of the potato becomes colored and level increases.
Inference:
This confirms the entry of water into the sugar solution via the potato tissues that serve as the selectively permeable membrane.
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