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प्रश्न
Name the following:
The process by which wilting or drooping of leaves occurs.
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उत्तर
Turgidity
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संबंधित प्रश्न
Give scientific reasons : Balsam plants wilt during mid-day even if the soil is well watered.
The diagram below represents a process in plants. The setup was placed in bright sunlight. Answer the following questions:
a) Name the physiological process depicted in the diagram.
Why was oil added to the water?
b) When placed in bright sunlight for four hours, what do you observe with regard to the initial and final weight of the plant? Give a suitable reason for your answer
c) What happens to the level of water when this setup is placed in:
- Humid conditions?
- Windy conditions?
d) Mention any three adaptations found in plants to overcome the process mentioned in (i).
e) Explain the term ‘Guttation’.
Give the equivalent term for the following:
The condition in which the cell contents are shrunken.
Give the equivalent terms for the following:
Loss of water through a cut stem.
Differentiate between the following:
Turgor pressure and wall pressure
Give reason for the following:
A plant cell, when kept in a hypertonic salt solution for about 30 minutes, turns flaccid.
Differentiate between the following:
Plasmolysis and Deplasmolysis.
Give Technical Term for the following.
The pressure exerted by cell contents on a plant cell wall.
Addition of salt to pickles is a method of killing the bacteria by ______.
Give the equivalent term for the following:
Pressure exerted by the cell contents on the cell wall.
