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प्रश्न
Explain how soaked seeds swell up and burst their seed coats.
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उत्तर
When soaked in water, the seeds swell up due to imbibition and endosmosis. During these two processes water enters the cell. Due to endosmosis, at some point, the seed coat is unable to bear the turgor pressure and hence, the seed coat bursts.
संबंधित प्रश्न
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
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
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:
Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Differentiate between:
Osmosis and Diffusion
Give a diagrammatic representation of plasmolysis in a cell.
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
During exosmosis, water moves from inside the cell to the outside of the cell.
Multiple Choice Question:
In the process of osmosis in a cell:
Explain the Term: Exosmosis
