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प्रश्न
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.
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उत्तर
When there is no movement of water in the cell from the outside medium, the medium is considered to be Isotonic to cell sap.
संबंधित प्रश्न
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
Distinguish between the following:
Filtration and diffusion
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
Give Reasons for the following.
Plants begin to die when the excess of soluble fertilizers are added to the soil?
Differentiate between the following
Endosmosis and Exosmosis
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.
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
Fill in the Blanks
Diffusion is the movement of molecules from a region of their ________ concentration to the region of their ________ concentration.
