Question

Preetha was observing live cells of Onion in biology laboratory. She observed cell wall,
cytoplasm and nucleus clearly. Suddenly her friend who was doing chemistry experiment
spilled a few drops of salt water on the slide. After some time Preetha observed the slide
and found some changes,

(c) What happens to the dry raisins when we put them in plain water for some time?
State the reason for whatever is observed. What would happen if these raisins are now
placed in concentrated salt solution?

Answer 1

Explanation:

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Answer 2

Answer:

When dry raisins are placed in water, they swell up. It happens because the water from the surrounding diffuses into the raisins resulting into swelling of them. ... If these raisins are placed in a concentrated salt solution, they will shrink due to osmosis.

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