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प्रश्न
Differentiate between Diffusion and Osmosis (Definition)
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उत्तर
Diffusion and Osmosis (Definition):
| Diffusion | Osmosis |
| Diffusion is the free movement of molecules of a substance from the region of its higher concentration to the region of its lower concentration when the two substances are in direct contact. | Osmosis is the diffusion of water molecules across a semi-permeable membrane from a more dilute solution (with a lower solute concentration) to a less dilute solution (with a higher solute concentration). |
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संबंधित प्रश्न
The most appropriate characteristic of a semipermeable membrane is that
Name the following:
The inward movement of solvent molecules through the plasma membrane of the cell.
Choose the correct answer:
Cell turgidity is caused by _______________
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
Differentiate between the following
Endosmosis and Exosmosis
Given below is the figure of an experimental set up to demonstrate root pressure.
(i) Define root pressure.
(ii) What change would you observe in the water level after some time?
(iii) What role is being played by the root pressure in the given experiment?
(iv) Why the oil has been sprinkled on water?
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Fill in the Blanks
Diffusion is the movement of molecules from a region of their ________ concentration to the region of their ________ concentration.
