Class 11 Exam > Class 11 Questions > Auxin does not:a)Help to initiate rooting in ...
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Auxin does not:
- a)Help to initiate rooting in stem cuttings
- b)Promote female flowers in cucumbers
- c)Prevent fruit and leaf drop in early stages
- d)Promote abscission of older mature leaves and fruits
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote fe...
They help to initiate rooting in stem cuttings, an application widely used for plant propagation. Auxins promote flowering e.g. in pineapples. They help to prevent fruit and leaf drop at early stages but promote the abscission of older mature leaves and fruits
Most Upvoted Answer
Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote fe...
Understanding Auxin's Role in Plant Physiology
Auxins are a class of plant hormones that play crucial roles in various growth processes. Here’s a breakdown of why option 'B' is the correct answer.
Auxin and Root Initiation
- Auxin helps to initiate rooting in stem cuttings by promoting the formation of roots.
- It stimulates cell division and elongation, which is essential for root development.
Auxin's Role in Flowering
- Option 'B' states that auxin promotes female flowers in cucumbers, which is incorrect.
- In cucumbers, the balance of auxins and gibberellins affects the sex expression of flowers.
- Gibberellins are primarily responsible for promoting female flowers, while auxins do not have this effect.
Fruit and Leaf Drop Prevention
- Auxin plays a role in preventing fruit and leaf drop in early stages.
- It helps maintain the connection between fruits and the plant, delaying abscission.
Promoting Abscission
- Auxin also promotes abscission of older mature leaves and fruits.
- As the plant matures, auxin levels decrease, leading to the shedding of older leaves and fruits.
Conclusion
In summary, auxins are vital for various growth processes, including rooting and preventing premature drop. However, when it comes to promoting female flowers in cucumbers, auxins do not play a significant role, making option 'B' the correct answer. Understanding these functions helps comprehend how plants regulate growth and reproduction.
Auxins are a class of plant hormones that play crucial roles in various growth processes. Here’s a breakdown of why option 'B' is the correct answer.
Auxin and Root Initiation
- Auxin helps to initiate rooting in stem cuttings by promoting the formation of roots.
- It stimulates cell division and elongation, which is essential for root development.
Auxin's Role in Flowering
- Option 'B' states that auxin promotes female flowers in cucumbers, which is incorrect.
- In cucumbers, the balance of auxins and gibberellins affects the sex expression of flowers.
- Gibberellins are primarily responsible for promoting female flowers, while auxins do not have this effect.
Fruit and Leaf Drop Prevention
- Auxin plays a role in preventing fruit and leaf drop in early stages.
- It helps maintain the connection between fruits and the plant, delaying abscission.
Promoting Abscission
- Auxin also promotes abscission of older mature leaves and fruits.
- As the plant matures, auxin levels decrease, leading to the shedding of older leaves and fruits.
Conclusion
In summary, auxins are vital for various growth processes, including rooting and preventing premature drop. However, when it comes to promoting female flowers in cucumbers, auxins do not play a significant role, making option 'B' the correct answer. Understanding these functions helps comprehend how plants regulate growth and reproduction.
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Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer?.
Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 11.
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Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Auxin does not:a)Help to initiate rooting in stem cuttingsb)Promote female flowers in cucumbersc)Prevent fruit and leaf drop in early stagesd)Promote abscission of older mature leaves and fruitsCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
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