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प्रश्न
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
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उत्तर
The pressure which develops in the cortical cells of root which force a part of the water upward Root pressure.
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संबंधित प्रश्न
Distinguish between the following:
Filtration and diffusion
Choose the correct answer:
If a marine plant is transferred to fresh water, it bursts due to ___________
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
Differentiate between:
Osmosis and Diffusion
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?
Name the following:
Name the process by which water enters the root hair cell.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Multiple Choice Question:
Osmosis involves:
The given statement is incorrect. Rewrite the correct statement:
Fresh water fish when placed in hypertonic salt solution absorb water and burst.
Define the following term:
Tonicity
