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Question
Define the term:
Plasmolysis
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Solution
RELATED QUESTIONS
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
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 reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Define the following:
Diffusion
Distinguish between the following:
Turgor pressure and osmotic pressure
Distinguish between the following:
Hypotonic and Hypertonic solutions
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Choose the correct answer:
Cell turgidity is caused by _______________
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
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.
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Give Reasons for the following.
Salt and sugar are used in preserving food.
Give Reasons for the following.
The raisins swell up in the water.
Differentiate between the following
Endosmosis and Exosmosis
Give Technical Term for the following.
The condition in which the water from a cell is completely removed due to exosmosis and no more shrinkage is possible.
Name the following:
Name the process by which water enters the root hair cell.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Explain the Term: Endosmosis
