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प्रश्न
Name the following:
Name the process by which water enters the root hair cell.
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उत्तर
Osmosis
APPEARS IN
संबंधित प्रश्न
Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
Define the following:
Osmosis
Define the following:
Hypertonic solution
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Choose the correct answer:
Cell turgidity is caused by _______________
In an experiment, two sets of apparatus were set up as shown below:
In A there is a concentrated sugar solution inside the thistle funnel and red ink in the water outside the funnel. In B there is a concentrated glucose solution with red ink inside the thistle funnel and water outside the thistle funnel.
In both A and B the level of liquid inside the funnels rises up the tubes. In A the sugar solution turns red and in B, the water turns red.
Study the given observations and answer these questions:
- Name the process by which red ink moves in A and B.
- Which type of pressure forces the water molecules to move towards thistle funnels and cause a rise in the water level?
- Where does this process occur in plants and animals?
- What material could be used as a semi-permeable membrane?
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Define the following term:
Tonicity
