Advertisements
Advertisements
प्रश्न
Define the Cohesive and Adhesive forces.
Advertisements
उत्तर
Cohesive Force: The force produced by the molecular attraction between water particles.
Adhesive Force: The force of attraction between the molecules of unlike bodies that act to hold them together is called adhesive force.
APPEARS IN
संबंधित प्रश्न
Name the following:
The condition of a cell placed in a hypotonic solution.
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
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.
Define the following:
Hypertonic solution
Name the following:
The inward movement of solvent molecules through the plasma membrane of the cell.
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Give Reasons for the following.
The raisins swell up in the 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:
Name the process by which water enters the root hair cell.
Explain the Term:
Osmosis
