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प्रश्न
What is the water potential?
उत्तर
Water potential is a measure of potential energy of water or the difference in potential energy between a given water sample and pure water.
संबंधित प्रश्न
Differentiate between Turgor pressure and Wall pressure (explain)
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of ______.
When placed in a more concentrated solution, the cell contents will ______.
Explain how soaked seeds swell up and burst their seed coats.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
Define the following:
Diffusion
Distinguish between the following:
Filtration and diffusion
Distinguish between the following:
Hypotonic and Hypertonic solutions
Name the following:
The pressure with which the molecules of a substance diffuse.
Explain why:
We gargle with saline solution in case of throat infection.
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
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
A plasmolysed cell has __________ protoplast.
Explain the Term: Osmosis
DPD of a cell can be expressed as ______
Name the two organelles in a plant cell that contain their own genetic material and ribosomes.