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प्रश्न
Give Reasons for the following.
On sprinkling common salt on grass growing in a lawn, the grass is killed.
उत्तर
Sprinkling salt makes soil solution hypertonic hence grass lose water due to exosmosis.
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संबंधित प्रश्न
The highest water potential (capacity to move out higher concentrated solution) is that of ______.
Name the following:
The condition of a cell placed in a hypotonic solution.
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
When placed in a more concentrated solution, the cell contents will ______.
Differentiate between the following:
Plasmolysis and deplasmolysis
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.
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
Multiple Choice Question:
Plasma membrane controls:
Define the following term:
Tonicity
