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प्रश्न
Name the following:
Name the process by which water enters the root hair cell.
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उत्तर
Osmosis
संबंधित प्रश्न
A candidate in order to study the process of osmosis has taken 3 potato cubes and put them in 3 different beakers containing 3 different solutions. After 24 hours, in the first beaker the potato cube increased in size, in the second beaker the potato cube decreased in size and in the third beaker there was no change in the size of the potato cube. The following diagram shows the result of the same experiment:
(i) Give the technical terms of the solutions used in beakers, 1, 2 and 3.
(ii) In beaker 3, the size of the potato cube remains the same. Explain the reason in brief.
(iii) Write the specific feature of the cell sap of root hairs which helps in absorption of water.
(iv) What is osmosis?
(v) How does a cell wall and a cell membrane differ in their permeability?
Osmosis and diffusion are the same except that osmosis there is:
Name the following:
The inward movement of solvent molecules through the plasma membrane of the cell.
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
Fill in the Blank
A plasmolysed cell has __________ protoplast.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Multiple Choice Question:
In the process of osmosis in a cell:
DPD of a cell can be expressed as ______
Name the two organelles in a plant cell that contain their own genetic material and ribosomes.
