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प्रश्न
Differentiate between the following:
Turgidity and Flaccidity
उत्तर
| Turgidity | Flaccidity | ||
| 1. | It is the state of a cell in which the cell cannot accommodate any more water and is fully distended. | 1. | It is the condition in which the cell content is shrunken and the cell is not tight. |
| 2. | The availability of sufficient water causing the cells to become charged with water with its walls in a state of tension making the cells rigid and stretched. | 2. | The unavailability of sufficient water causes the cells to become weak and soft due to decreased turgor pressure. |
| 3. | This condition causes wilting in plants. | 3. | This condition makes plants stiff and erect. |
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संबंधित प्रश्न
Give scientific reasons : Balsam plants wilt during mid-day even if the soil is well watered.
What is the difference between ‘flaccid’ and ‘turgid’? Give one example of flaccid condition in plants.
Give reasons for the following:
If you sprinkle some common salt on grass growing on a lawn, it is killed at that spot.
Give reason for the following:
It is better to transplant seedlings in a flower-bed in the evening and not in the morning.
Differentiate between:
Turgid and Flaccid.
Differentiate between the following:
Plasmolysis and Deplasmolysis.
The below diagram represents a plant cell after being placed in a strong sugar solution. Guidelines 1 to 5 indicate the following:
1. Cell wall
2. Plasma membrane.
3. Protoplasm
4. Large vacuole
5. Nucleus
Study the diagram and answer the questions that follow :
(i) What is the state of the cell shown in the diagram?
(ii) Name the structure which acts as a selectively permeable membrane.
(iii) If the cell had been placed in distilled water instead of a strong sugar solution which features: would not have been present?
(iv) If the cell in the diagram possessed chloroplasts where would these be present?
(v) Name any one feature of this plant cell which is not present in animal cells.
Fill in the Blank
Wilting and drooping of leaves is due to loss of ________.
Excessive use of fertilisers in agricultural fields reduces the yield of crops. Justify the statement.
When the cells of a plant are fully distended, the condition is called ______.
