Advertisements
Advertisements
प्रश्न
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.
उत्तर
The process being investigated is osmosis. Osmosis is the diffusion of water molecules across a semi-permeable membrane from a more dilute solution (with a lower solute concentration) to a less dilute solution (with a higher solute concentration).
APPEARS IN
संबंधित प्रश्न
Differentiate between Diffusion and Osmosis (Definition)
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.
Explain how soaked seeds swell up and burst their seed coats.
Fill in the Blank
A plasmolysed cell has __________ protoplast.
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.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Plasmolysis makes the cell turgid.
Multiple Choice Question:
Osmosis involves:
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Define the following term:
Osmotic Pressure