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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 appropriate biological or technical terms for the following :
Movement of molecules of a substance from their higher concentration to lower concentration when they are in direct contact.
Give two examples of turgor movements in plants.
Define the term:
Plasmolysis
Distinguish between the following:
Filtration and diffusion
Name the following:
Condition of cell in which the cell contents are shrunken.
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
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.
DPD of a cell can be expressed as ______
Define the following term:
Tonicity
