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Mention two biological phenomena regulated by osmosis in plants and animals.


Answer:

(i) Plants absorb water from the soil through their roots due to osmosis.
(ii) In animals, water moves into different parts of body due to osmosis.

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In cold countries, ethylene glycol is added to water radiators of cars during winter. Why?

10 mL of a liquid A was mixed with 10 mL of liquid B. The volume of resulting solution was found to be 19.9 mL. What do you conclude?

What happens if pressure greater than osmotic pressure is applied on the solution separated by a semi-permeable membrane from the solvent?

Ethanol is an organic compound, yet it is freely miscible with water. Why?

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