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प्रश्न
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
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उत्तर
Osmotic pressure is maintained in blood to prevent dehydration leading to shrinkage of cells.
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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.
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them]
Explain how soaked seeds swell up and burst their seed coats.
Leaves of the sensitive plant wilt and droop down on a slight touch. What mechanism brings about this change?
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
What is the significance of diffusion?
Give Technical Term for the following.
Solutions which have the same osmotic pressure.
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
