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प्रश्न
Name the following:
The pressure with which the molecules of a substance diffuse.
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उत्तर
Osmotic pressure
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संबंधित प्रश्न
The highest water potential (capacity to move out higher concentrated solution) is that of ______.
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
Define the following:
Osmosis
What is the significance of diffusion?
The diagram given below is of an experiment just at the start. Study the diagram carefully and answer the following questions :
(i) What does the experiment demonstrate?
(ii) Define, the process demonstrated in the experiment.
(iii) What changes are observed after a few hours?
(iv) Give two examples of a semi-permeable membrane.
(v) Which limb of the U-tube contains a more concentrated sucrose solution, A or B?
(vi) Why is the membrane separating the two solutions labeled as semi-permeable membrane?
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.
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Fill in the Blank
When there is no movement of water in the cell from the outside medium, the medium is considered to be ______ to cell sap.
Explain the Term:
Osmosis
