Advertisements
Advertisements
Question
Define the following:
Osmosis
Advertisements
Solution
Osmosis - Osmosis is the movement of solvent molecules from a region of higher concentration to a region of lower concentration through a semi-permeable membrane.
APPEARS IN
RELATED QUESTIONS
Differentiate between Turgor pressure and Wall pressure (explain)
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
The diagram given below represents an experimental set-up to demonstrate a certain process. Study the same and answer the questions that follow:
- Name the process.
- Define the above-named process.
- What would you observe in the experimental set-up after an hour or so?
- What control experiment can be set up for comparison?
- Keeping in mind the root hair, cell and its surroundings, name the parts that correspond to
- concentrated sugar solution
- parchment paper
- water in the beaker
- Name any other material that can be used instead of parchment paper in the above experiment.
- Mention two advantages of the process for the plants.
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:

Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
When a cell in solution shrinks and loses its shape, then the solution is ______.
Define the following term:
Osmotic Pressure
