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प्रश्न
Explain the Term: Endosmosis
उत्तर
Endosmosis: It is the movement of water molecules from the surroundings into the cell.
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संबंधित प्रश्न
When placed in a more concentrated solution, the cell contents will ______.
The following diagram represents a plant cell after being placed in a strong sugar solution.
Guidelines 1 to 5 indicate the following
(1)Cell wall, (2) Strong sugar solution, (3) Protoplasm (4) Large vacuole, (5) Nucleus
(1)What is the state of the cell shown in the cell shown in the diagram?
(2)Name the structure which acts as a selectively permeable membrane.
(3)If the cell had been placed in distilled water instead of strong sugar solution, which feature would not have been seen?
(4)Name any one feature of this plant cell which is not present in an animal cell.
Define the following:
Hypertonic solution
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 __________
In an experiment, two sets of apparatus were set up as shown below:
In A there is a concentrated sugar solution inside the thistle funnel and red ink in the water outside the funnel. In B there is a concentrated glucose solution with red ink inside the thistle funnel and water outside the thistle funnel.
In both A and B the level of liquid inside the funnels rises up the tubes. In A the sugar solution turns red and in B, the water turns red.
Study the given observations and answer these questions:
- Name the process by which red ink moves in A and B.
- Which type of pressure forces the water molecules to move towards thistle funnels and cause a rise in the water level?
- Where does this process occur in plants and animals?
- What material could be used as a semi-permeable membrane?
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
