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प्रश्न
Plants show temporary and permanent wilting. Differentiate between the two. Do any of them indicate the water status of the soil?
उत्तर
Temporary Wilting | Permanent Wilting |
(i) There is a temporary loss of turgidity in cells. | (i) There is permanent loss of turgidity in cells. |
(ii) This happens when the rate of | (ii) This happens when the rate of transpiration is more than the rate of water supply Then the rate of water supply. But the difference is below a critical level. |
(iii) Wilting disappears as soon as the water supply resumes to normal. | (iii) Wilting does not disappear even after the water supply resumes to normal. |
(iv) Plant recovers its normal activity. | (iv) Plant eventually dies. |
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संबंधित प्रश्न
Discuss the factors responsible for ascent of xylem sap in plants
What causes the opening and closing of guard cells of stomata during transpiration?
Name the process by which water loss takes place through the leaves.
Differentiate between osmosis and transpiration.
The diagram given alongside is an apparatus used to study a particular phenomenon in plants.
(i) Name the apparatus.
(ii) What is it used for?
(iii) What is the role played by the air bubble in this experiment?
(iv) Of what use is the reservoir?
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.
Name the process intended for study.
Answer the following question.
Define and or explain the term:
Guttation
Name the cell that surrounds the stoma.
Excessive transpiration is due to ______.
Name the structures through which Transpiration occur in a plant.