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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
Name the following:
The condition of a cell placed in a hypotonic solution.
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Give two examples of turgor movements in plants.
Leaves of the sensitive plant wilt and droop down on a slight touch. What mechanism brings about this change?
Define the following:
Hypertonic solution
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
During exosmosis, water moves from inside the cell to the outside of the cell.
Multiple Choice Question:
Osmosis involves:
Explain the term:
Diffusion
