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प्रश्न
Choose the correct answer:
Grapes when placed in a strong sugar solution shrink because of __________
विकल्प
diffusion
plasmolysis
exosmosis
endosmosis
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उत्तर
Grapes when placed in a strong sugar solution shrink because of plasmolysis
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संबंधित प्रश्न
Define the following:
Osmosis
Distinguish between the following:
Filtration and diffusion
Choose the correct answer:
Osmosis involves diffusion of ___________
Define the cohesive force.
Give at least three uses of water to green plants
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
The beaker is divided into two chambers A and B. The big circle represents solute and the small circles solvent.
(i) What can you say about the size of the holes in the membrane, if it is to behave semi- permeably between these two?
(ii) Will the solvent molecules pass through the membrane from left to right, from right to left, in either direction or in both directions?
(iii) In which direction will there be a net movement of solvent molecules?
Name the following:
Name the process by which water enters the root hair cell.
Define the following term:
Tonicity
