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प्रश्न
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.
विकल्प
True
False
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उत्तर
False
Correct Statement: Osmosis is defined as the movement of water from a dilute sugar solution to a concentrated sugar solution.
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संबंधित प्रश्न
The diagram given below represents an experimental set-up to demonstrate a certain process. Study the same and answer the questions that follow:
- Name the process.
- Define the above-named process.
- What would you observe in the experimental set-up after an hour or so?
- What control experiment can be set up for comparison?
- Keeping in mind the root hair, cell and its surroundings, name the parts that correspond to
- concentrated sugar solution
- parchment paper
- water in the beaker
- Name any other material that can be used instead of parchment paper in the above experiment.
- Mention two advantages of the process for the plants.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
Define the following:
Hypertonic solution
Distinguish between the following:
Plasmolysis and deplasmolysis
Name the following:
The pressure with which the molecules of a substance diffuse.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Give a diagrammatic representation of plasmolysis in a cell.
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.
