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प्रश्न
Give Reasons for the following.
The raisins swell up in the water.
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उत्तर
The raisins are dry grapes. When these are kept in water, it enters into the raisins by osmosis (endosmosis) and raisins swell up.
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संबंधित प्रश्न
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
Name the following:
The condition of a cell placed in a hypotonic solution.
Differentiate between the following:
Plasmolysis and deplasmolysis
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The shrinkage of protoplasm, when a cell is kept in hypotonic solution.
Explain how soaked seeds swell up and burst their seed coats.
Name the following:
Two solutions having same concentrations.
Give Reasons for the following.
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered. Why?
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 two organelles in a plant cell that contain their own genetic material and ribosomes.
