Question

2. Ritika observed onion peel cells in the lab and could view the cell wall, cytoplasm

and nucleus clearly. Suddenly her friend spilled a few drops of salty water on the slide

having onion peel cells.She observes some changes in the cells after sometime

a. What changes would have been observed by Ritika?

b. Name the process that caused the changes in the cells.

c. Would there be similar changes observed ,if she had prepared a slide of cheek

cells?​

Answer 1

Answer:

As salt water is hypertonic solution, exosmosis (movement of water out of the cell) will take place in the cells, causing cell membrane to shrink away from the cell wall. This is called plasmolysis. The onion peel will shrink due to osmosis.

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