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प्रश्न
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
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उत्तर
Due to the presence of cuticle, which does not allow water molecules to pass through it.
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संबंधित प्रश्न
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
When placed in a more concentrated solution, the cell contents will ______.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Give Reasons for the following.
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered. Why?
Give Reasons for the following.
Plants begin to die when the excess of soluble fertilizers are added to the soil?
Give a diagrammatic representation of plasmolysis in a cell.
The apparatus arranged here signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
(v) Define the process mentioned in Q. (i) above.
Fill in the Blank
When there is no movement of water in the cell from the outside medium, the medium is considered to be ______ to cell sap.
Multiple Choice Question:
Plasma membrane controls:
During a practical exam, a plant cell in a particular solution was placed under a compound microscope. Students were told to observe the cell and name the tonicity of the solution and mention the process that occurred in the cell.
