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प्रश्न
Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called
पर्याय
Osmosis
Diffusion
Active transport
Capillarity
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उत्तर
Diffusion
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.
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
Distinguish between the following:
Hypotonic and Hypertonic solutions
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Explain why:
We gargle with saline solution in case of throat infection.
Choose the correct answer:
If a marine plant is transferred to fresh water, it bursts due to ___________
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 Reasons for the following.
Salt and sugar are used in preserving food.
Give Reasons for the following.
The raisins swell up in the water.
Give a diagrammatic representation of plasmolysis in a cell.
