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प्रश्न
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
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उत्तर
संबंधित प्रश्न
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A&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 had somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the firmness and increase in the size of the potato cubes placed in water.
Define the following:
Hypertonic solution
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:
Account for the softness and decrease in size of the potato cubes which were placed in sugar solution.
Give Reasons for the following.
Salt and sugar are used in preserving food.
Give Reasons for the following.
On sprinkling common salt on grass growing in a lawn, the grass is killed.
The diagram below represents an experimental set up to demonstrate a vital process. Study the same and then answer the questions that follow:
(i) Name the process.
(ii) Define the above named process.
(iii) What would you observe in the experimental setup after an hour or so?
(iv) What control experiment can be set up for the above experiment?
(v) Keeping in mind the root hair cell and its surrounding name the part that corresponds to (1) Concentrated sugar solution, (2) Parchment paper, (3) Water in the beaker.
(vi) Name any other substance that can be used instead of parchment paper in the above experiment.
(vii) Mention two advantages of this process to the plant.
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Explain the term:
Plasmolysis
