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प्रश्न
What is the significance of diffusion?
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उत्तर
Significance of Diffusion
(i) It helps in the exchange of respiratory gases.
(ii) It helps in the transport of food molecules without the plant body.
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संबंधित प्रश्न
Define the following:
Diffusion
Define the term:
Plasmolysis
Explain why:
We gargle with saline solution in case of throat infection.
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:
Comment on the nature (tonicity) of the liquid surrounding the cell.
Differentiate between:
Osmosis and Diffusion
The diagram below represents an experimental set up to demonstrate a vital process. Study the same and then answer the questions that follow:
(i) Name the process.
(ii) Define the above named process.
(iii) What would you observe in the experimental setup after an hour or so?
(iv) What control experiment can be set up for the above experiment?
(v) Keeping in mind the root hair cell and its surrounding name the part that corresponds to (1) Concentrated sugar solution, (2) Parchment paper, (3) Water in the beaker.
(vi) Name any other substance that can be used instead of parchment paper in the above experiment.
(vii) Mention two advantages of this process to the plant.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Define the following term:
Tonicity
