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प्रश्न
Explain the Term:
Osmosis
Explain the term osmosis.
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उत्तर
Osmosis is a special type of diffusion which involves the movement of solvent molecules from a region of their higher concentration to their lower concentration.
संबंधित प्रश्न
Distinguish between the following:
Filtration and diffusion
Name the following:
The pressure with which the molecules of a substance diffuse.
Explain why:
The leaves of wilted lettuce, if kept in cold water, become crisp.
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Choose the correct answer:
Grapes when placed in a strong sugar solution shrink because of __________
Choose the correct answer:
Cell turgidity is caused by _______________
What do you mean by transpiration pull ?
What is the significance of 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.
DPD of a cell can be expressed as ______
