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The gaseous plant growth regulator is used in plants to :
- a)promote root growth and root hair formation to increase the absorption surface
- b)help overcome apical dominance
- c)kill dicotyledonous weeds in the fields
- d)speed up the malting process
Correct answer is option 'A'. Can you explain this answer?
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The gaseous plant growth regulator is used in plants to :a)promote roo...
The gaseous plant growth regulator is used in plants to promote root growth and root hair formation to increase the absorption surface.
Root growth and root hair formation are crucial for plants to absorb water and nutrients from the soil. The gaseous plant growth regulator, also known as ethylene, plays a significant role in promoting root growth and root hair formation in plants.
What is ethylene?
Ethylene is a gaseous plant hormone that is naturally produced by plants. It is involved in various physiological processes, including seed germination, fruit ripening, leaf and flower senescence, and response to environmental stresses.
Promotion of root growth and root hair formation
1. Increased root elongation:
Ethylene promotes root elongation by stimulating cell division and elongation in the root meristem. This results in the growth of longer and more extensive root systems, which allows plants to explore a larger volume of soil for water and nutrients.
2. Induction of root hair formation:
Ethylene also plays a role in the induction of root hair formation. Root hairs are tiny, finger-like projections that increase the surface area of the roots, enhancing their ability to absorb water and nutrients. Ethylene promotes the initiation and elongation of root hairs, thereby increasing the absorption surface of the roots.
3. Regulation of root architecture:
Ethylene influences the overall root architecture by promoting the formation of lateral roots. Lateral roots branch out from the primary root and further enhance the absorption capacity of the root system.
4. Nutrient uptake:
By promoting root growth and root hair formation, ethylene indirectly facilitates nutrient uptake by the plants. The increased surface area of the roots allows for more efficient absorption of nutrients present in the soil.
Conclusion
In conclusion, the gaseous plant growth regulator, ethylene, is used in plants to promote root growth and root hair formation. This hormone plays a crucial role in increasing the absorption surface of the roots, allowing plants to efficiently absorb water and nutrients from the soil.
Root growth and root hair formation are crucial for plants to absorb water and nutrients from the soil. The gaseous plant growth regulator, also known as ethylene, plays a significant role in promoting root growth and root hair formation in plants.
What is ethylene?
Ethylene is a gaseous plant hormone that is naturally produced by plants. It is involved in various physiological processes, including seed germination, fruit ripening, leaf and flower senescence, and response to environmental stresses.
Promotion of root growth and root hair formation
1. Increased root elongation:
Ethylene promotes root elongation by stimulating cell division and elongation in the root meristem. This results in the growth of longer and more extensive root systems, which allows plants to explore a larger volume of soil for water and nutrients.
2. Induction of root hair formation:
Ethylene also plays a role in the induction of root hair formation. Root hairs are tiny, finger-like projections that increase the surface area of the roots, enhancing their ability to absorb water and nutrients. Ethylene promotes the initiation and elongation of root hairs, thereby increasing the absorption surface of the roots.
3. Regulation of root architecture:
Ethylene influences the overall root architecture by promoting the formation of lateral roots. Lateral roots branch out from the primary root and further enhance the absorption capacity of the root system.
4. Nutrient uptake:
By promoting root growth and root hair formation, ethylene indirectly facilitates nutrient uptake by the plants. The increased surface area of the roots allows for more efficient absorption of nutrients present in the soil.
Conclusion
In conclusion, the gaseous plant growth regulator, ethylene, is used in plants to promote root growth and root hair formation. This hormone plays a crucial role in increasing the absorption surface of the roots, allowing plants to efficiently absorb water and nutrients from the soil.
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The gaseous plant growth regulator is used in plants to :a)promote root growth and root hair formation to increase the absorption surfaceb)help overcome apical dominancec)kill dicotyledonous weeds in the fieldsd)speed up the malting processCorrect answer is option 'A'. Can you explain this answer?
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The gaseous plant growth regulator is used in plants to :a)promote root growth and root hair formation to increase the absorption surfaceb)help overcome apical dominancec)kill dicotyledonous weeds in the fieldsd)speed up the malting processCorrect answer is option 'A'. 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 The gaseous plant growth regulator is used in plants to :a)promote root growth and root hair formation to increase the absorption surfaceb)help overcome apical dominancec)kill dicotyledonous weeds in the fieldsd)speed up the malting processCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The gaseous plant growth regulator is used in plants to :a)promote root growth and root hair formation to increase the absorption surfaceb)help overcome apical dominancec)kill dicotyledonous weeds in the fieldsd)speed up the malting processCorrect answer is option 'A'. Can you explain this answer?.
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