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प्रश्न
Differentiate between:
Osmosis and Diffusion
उत्तर
| Osmosis | Diffusion |
| Osmosis is a special type of diffusion which involves the movement of solvent molecules from a region of their higher concentration to a region of their lower concentration through a semi-permeable membrane. | Diffusion is the movement of solute molecules or ions from a region of their higher concentration to a region of their lower concentration without the influence of a semi-permeable membrane. |
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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.
Osmosis and diffusion are the same except that osmosis there is:
The most appropriate characteristic of a semipermeable membrane is that
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.
Name the following:
Two solutions having same concentrations.
Give a diagrammatic representation of plasmolysis in a cell.
Give Technical Term for the following.
Solutions which have the same osmotic pressure.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Multiple Choice Question:
Plasma membrane controls:
