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Question
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Solution
Plasmolysis helps in the preservation of meat and fish by salting. It is also helpful in the preservation of jellies and jams by adding concentrated sugar solution to them. It helps in plasmolysing the spores of bacteria and fungi.
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RELATED QUESTIONS
Differentiate between the following on the basis of what is indicated in the bracket.
Hypotonic solution and Hypertonic solution (condition of a plant cell when placed in them).
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Define the following:
Hypertonic solution
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Choose the correct answer:
Cell turgidity is caused by _______________
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.
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Multiple Choice Question:
In the process of osmosis in a cell:
