NEET Exam > NEET Questions > Cell elongation in internodal regions of the ...
Start Learning for Free
Cell elongation in internodal regions of the green plants takes place due to [2004]
- a)indole acetic acid
- b)cytokinins
- c)gibberellins
- d)ethylene
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Cell elongation in internodal regions of the green plants takes place ...
Gibberellins induces elongation of internodes.
Most Upvoted Answer
Cell elongation in internodal regions of the green plants takes place ...
Cell Elongation in Plants
Cell elongation is a critical process in plant growth, particularly in the internodal regions, which are the spaces between nodes on a stem. This elongation is primarily driven by plant hormones, with gibberellins playing a significant role.
Role of Gibberellins
- Gibberellins are a class of plant hormones that promote various developmental processes, including stem elongation.
- They stimulate cell division and elongation in the internodes, resulting in increased height and growth of the plant.
Mechanism of Action
- Gibberellins promote the synthesis of enzymes that break down cell wall components, enabling the cells to expand.
- They increase the plasticity of cell walls, allowing cells to take in more water and expand accordingly.
Effects on Plant Growth
- Enhanced cell elongation leads to taller and more vigorous plants, which can improve light capture for photosynthesis.
- This is particularly important in agricultural practices, as it can influence crop yield and quality.
Comparison with Other Hormones
- While indole acetic acid (IAA) and cytokinins also influence growth, they have different primary roles.
- IAA primarily regulates cell division and differentiation, while cytokinins promote cell division rather than elongation.
- Ethylene, on the other hand, is more associated with fruit ripening and responses to stress rather than promoting elongation.
In conclusion, gibberellins are essential for promoting cell elongation in the internodal regions of green plants, making them a key hormone in plant growth and development.
Cell elongation is a critical process in plant growth, particularly in the internodal regions, which are the spaces between nodes on a stem. This elongation is primarily driven by plant hormones, with gibberellins playing a significant role.
Role of Gibberellins
- Gibberellins are a class of plant hormones that promote various developmental processes, including stem elongation.
- They stimulate cell division and elongation in the internodes, resulting in increased height and growth of the plant.
Mechanism of Action
- Gibberellins promote the synthesis of enzymes that break down cell wall components, enabling the cells to expand.
- They increase the plasticity of cell walls, allowing cells to take in more water and expand accordingly.
Effects on Plant Growth
- Enhanced cell elongation leads to taller and more vigorous plants, which can improve light capture for photosynthesis.
- This is particularly important in agricultural practices, as it can influence crop yield and quality.
Comparison with Other Hormones
- While indole acetic acid (IAA) and cytokinins also influence growth, they have different primary roles.
- IAA primarily regulates cell division and differentiation, while cytokinins promote cell division rather than elongation.
- Ethylene, on the other hand, is more associated with fruit ripening and responses to stress rather than promoting elongation.
In conclusion, gibberellins are essential for promoting cell elongation in the internodal regions of green plants, making them a key hormone in plant growth and development.
Free Test
| FREE | Start Free Test |
Community Answer
Cell elongation in internodal regions of the green plants takes place ...
(c)Gibberllins
|
Explore Courses for NEET exam
|
|
Top Courses for NEETView all
Question Description
Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer?.
Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET.
Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free.
Here you can find the meaning of Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Cell elongation in internodal regions of the green plants takes place due to [2004]a)indole acetic acidb)cytokininsc)gibberellinsd)ethyleneCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice NEET tests.
|
|
Explore Courses for NEET exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up
within 7 days!
within 7 days!
Takes less than 10 seconds to signup