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Question
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.
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Solution
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).
RELATED QUESTIONS
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
Differentiate between the following:
Plasmolysis and deplasmolysis
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Give a diagrammatic representation of plasmolysis in a cell.
Name the following:
The pressure through which water can rise upto some feet.
Name the following:
Name the process by which water enters the root hair cell.
Multiple Choice Question:
Plasma membrane controls:
Explain the term:
Plasmolysis
DPD of a cell can be expressed as ______
