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प्रश्न
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
उत्तर
Due to the presence of cuticle, which does not allow water molecules to pass through it.
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संबंधित प्रश्न
Explain how soaked seeds swell up and burst their seed coats.
Name the following:
Condition of cell in which the cell contents are shrunken.
Choose the correct answer:
Osmosis involves diffusion of ___________
Give Reasons for the following.
The raisins swell up in the water.
Given below is the figure of an experimental set up to demonstrate root pressure.
(i) Define root pressure.
(ii) What change would you observe in the water level after some time?
(iii) What role is being played by the root pressure in the given experiment?
(iv) Why the oil has been sprinkled on water?
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 pressure through which water can rise upto some feet.
Explain the Term: Osmosis
When a cell in solution shrinks and loses its shape, then the solution is ______.
