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Application of minute quantity of which of the following to leaves reduces transpiration to a great extent through partial closure of stomata?
- a)Ethylene
- b)Abscisic acid
- c)Cytokinin
- d)Gibberellin
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Application of minute quantity of which of the following to leaves re...
Application of Abscisic acid reduces transpiration through partial closure of stomata.
Explanation:
Stomata are the tiny pores present on the surface of leaves that facilitate the exchange of gases and water vapor. Transpiration is the process of loss of water vapor through the stomata. Abscisic acid (ABA) is a plant hormone that regulates various physiological processes, including stomatal closure.
When there is a shortage of water in the soil, the plant produces ABA. This hormone moves to the leaves and triggers the closure of stomata, reducing water loss through transpiration. Therefore, the application of minute quantities of ABA to leaves reduces transpiration to a great extent through partial closure of stomata.
Benefits of reducing transpiration:
- Conservation of water: Reduction in transpiration helps in conserving water. It is especially beneficial in areas facing water scarcity or drought-like conditions.
- Improved water-use efficiency: When transpiration is reduced, the plant can use the available water more efficiently. This can lead to better growth and productivity.
- Reduced stress: In conditions of water shortage, plants undergo stress. By reducing transpiration, ABA can alleviate some of the stress.
Conclusion:
Abscisic acid is a plant hormone that regulates various physiological processes, including stomatal closure. Its application in minute quantities reduces transpiration by partially closing the stomata, leading to conservation of water, improved water-use efficiency, and reduced stress in plants.
Explanation:
Stomata are the tiny pores present on the surface of leaves that facilitate the exchange of gases and water vapor. Transpiration is the process of loss of water vapor through the stomata. Abscisic acid (ABA) is a plant hormone that regulates various physiological processes, including stomatal closure.
When there is a shortage of water in the soil, the plant produces ABA. This hormone moves to the leaves and triggers the closure of stomata, reducing water loss through transpiration. Therefore, the application of minute quantities of ABA to leaves reduces transpiration to a great extent through partial closure of stomata.
Benefits of reducing transpiration:
- Conservation of water: Reduction in transpiration helps in conserving water. It is especially beneficial in areas facing water scarcity or drought-like conditions.
- Improved water-use efficiency: When transpiration is reduced, the plant can use the available water more efficiently. This can lead to better growth and productivity.
- Reduced stress: In conditions of water shortage, plants undergo stress. By reducing transpiration, ABA can alleviate some of the stress.
Conclusion:
Abscisic acid is a plant hormone that regulates various physiological processes, including stomatal closure. Its application in minute quantities reduces transpiration by partially closing the stomata, leading to conservation of water, improved water-use efficiency, and reduced stress in plants.
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Application of minute quantity of which of the following to leaves re...
This is the correct option. Application of minute quantity of abscisic acid to leaves reduces transpiration to a great extent through partial closure of stomata. It conserves water and reduces the requirement of irrigation.
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Application of minute quantity of which of the following to leaves reduces transpiration to a great extent through partial closure of stomata?a)Ethyleneb)Abscisic acidc)Cytokinind)GibberellinCorrect answer is option 'B'. Can you explain this answer?
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Application of minute quantity of which of the following to leaves reduces transpiration to a great extent through partial closure of stomata?a)Ethyleneb)Abscisic acidc)Cytokinind)GibberellinCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Application of minute quantity of which of the following to leaves reduces transpiration to a great extent through partial closure of stomata?a)Ethyleneb)Abscisic acidc)Cytokinind)GibberellinCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Application of minute quantity of which of the following to leaves reduces transpiration to a great extent through partial closure of stomata?a)Ethyleneb)Abscisic acidc)Cytokinind)GibberellinCorrect answer is option 'B'. Can you explain this answer?.
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