Advertisements
Advertisements
प्रश्न
Explain the Term: Diffusion
उत्तर
Diffusion: It is the movement of molecules of solid, liquid, or gas from their higher concentration area to their lower concentration area.
APPEARS IN
संबंधित प्रश्न
Define the following:
Osmosis
Explain why:
We gargle with saline solution in case of throat infection.
Choose the correct answer:
If a marine plant is transferred to fresh water, it bursts due to ___________
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A and B), the container A having water and the other (B) containing concentrated sugar solution. After 24 hours when the cubes were examined, those placed in water were found to be firm and had increased slightly in size and those placed in concentrated sugar solution were found to be soft and somewhat decreased in size. Use the above information to answer the questions that follow:
Name and define the physical process being investigated in this experiment.
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 a diagrammatic representation of plasmolysis in a cell.
Give Technical Term for the following.
Solutions which have the same osmotic pressure.
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.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.