Describe an activity to demonstrate Endosmosis and Exosmosis. Give a diagram also.
Answers
Endosmosis
When a cell is kept in a hypertonic solution, the water starts moving into the cell from a region of higher concerntration to the region of lower concerntration is called endosmosis. As a result the cell swells up.
Activity -
Buy some raisens
Put them into a hypertonic solution (eg. water)
Now wait for some time and observe the raisens.
The raisens starts swelling up.
Observation - Through this activity we observe that after putting raisens in hypotonic solution the raisens swells up. Their is also an increase in thier weight.
Exosmosis
When a cell is kept in a hypotonic solution, the inner content of cell shrinks as the water moves from the region of higher concerntraion to the region of lower concerntration. This is called exosmosis.
Activity -
Buy some raisens
Put them in a hypotonic solution (eg. A sports drink with a lot of salts in it)
Wait for a while and observe that the cell starts shrinking
Observation - Through this actvity we observe that after putting raisens in a hypotonic solution the raisens starts losing water content and gets shrinked.
Hope it helps
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Answer:
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