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प्रश्न
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
उत्तर
Osmotic pressure
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संबंधित प्रश्न
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
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
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Fill in the Blank
A plasmolysed cell has __________ protoplast.
Fill in the Blanks
Osmosis in the diffusion of _______ molecules from the region of higher _____ potential to that of lower potential across a S.P.M.
Multiple Choice Question:
Osmosis involves:
Define the following term:
Tonicity
