Advertisements
Advertisements
प्रश्न
When the cells of a plant are fully distended, the condition is called ______.
विकल्प
Flaccidity
Shrinkage
Plasmolysis
Deplasmolysis
Advertisements
उत्तर
When the cells of a plant are fully distended, the condition is called deplasmolysis.
Explanation:
A plasmolyzed cell absorbs water and becomes totally distended in a hypotonic solution.
APPEARS IN
संबंधित प्रश्न
Give scientific reasons : Balsam plants wilt during mid-day even if the soil is well watered.
Differentiate between the following:
Turgor pressure and wall pressure
Mention whether the following statement is true or false Correct the false statement by altering the last word only.
Cells that have lost their water content are said to be deplasmolysed.
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:
- Give the term for the state of the cell it has acquired.
- Name the structure which acts as a selectively permeable membrane.
- Comment on the nature (tonicity) of the liquid surrounding the cell.
- Name any one feature of this plant cell which is not present in an animal cell.
- Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Soaked seeds burst into three seed coats.
Name the following:
The process by which wilting or drooping of leaves occurs.
Fill in the Blank
The condition opposite to turgid is ___________.
Fill in the Blank
Wilting and drooping of leaves is due to loss of ________.
Deplasmolysis occurs when a plasmolysed cell is placed in ______.
Given below is the figure of a plant cell showing different kinds of pressure acting upon it. Study the figure and answer the questions that follow:
- In the figure, 1, 2 and 3 represent:
- Cytoplasm, Nucleus, Vacuole respectively
- Vacuole, Cytoplasm, Cell wall respectively.
- Cytoplasm, Cell membrane and vacuole respectively.
- Cytoplasm, Cell wall and Vacuole respectively.
- B in the figure represents:
- Osmotic pressure
- Turgor pressure
- Wall pressure
- Diffusion pressure
- A in the figure represents:
- irnbibition pressure
- Wall pressure
- Turgor pressure
- Osmotic pressure
- C in the figure represents:
- Turgor pressure
- Osmotic pressure
- Wall pressure
- Imbibition pressure
- Draw a neat and labelled diagram of a plasmolyzed plant cell.
