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प्रश्न
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Comment on the nature (tonicity) of the liquid surrounding the cell.
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उत्तर
The liquid is hypertonic solution. It has higher solute concentration outside the cell than the fluids inside the cell.
संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
Movement of molecules of a substance from their higher concentration to lower concentration when they are in direct contact.
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Define the following:
Hypertonic solution
Explain why:
We gargle with saline solution in case of throat infection.
Choose the correct answer:
Grapes when placed in a strong sugar solution shrink because of __________
Give Technical Term for the following.
Solutions which have the same osmotic pressure.
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Give Technical Term for the following.
The condition in which the water from a cell is completely removed due to exosmosis and no more shrinkage is possible.
Multiple Choice Question:
Osmosis involves:
