An onion peel was taken and


(a) Placed in salt solution for five minutes.
(b) After that it was placed in distilled water. When seen under the microscope


what would be observed in (a) and (b)?

Answers (1)

Ans.

When (a) happens, there is the loss of water since the concentration of water is higher of the peel than the surrounding salt - concentrated solution, which will lead to a loss of water. Thus the cells will undergo osmosis and shrink.

In the case of (b), the surrounding solution is less concentrated than the onion peel, and thus the peels would gain water and swell up, which will cause the shrunken cells to become normal.

In both cases, the changes occur due to the process of osmosis of water.

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