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प्रश्न
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उत्तर
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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संबंधित प्रश्न
Differentiate between Turgor pressure and Wall pressure (explain)
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.
Give two examples of turgor movements in plants.
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.
Explain why:
The leaves of wilted lettuce, if kept in cold water, become crisp.
Choose the correct answer:
Grapes when placed in a strong sugar solution shrink because of __________
Give Reasons for the following.
Salt and sugar are used in preserving food.
Multiple Choice Question:
Plasma membrane controls:
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
