Which statement is correct regarding gravitropism?
Understand the Problem
The question is asking about the correct statement related to gravitropism, which is the growth response of plants to gravity. It requires knowledge of how both stems and roots respond to gravitational forces.
Answer
Gravitropism is a plant's growth response to gravity.
Gravitropism is the response to gravity in plants, where roots typically show positive gravitropism, growing towards gravity, and shoots show negative gravitropism, growing away from gravity. The root cap is the site of gravity perception in roots. Statoliths (amyloplasts) are involved in the process.
Answer for screen readers
Gravitropism is the response to gravity in plants, where roots typically show positive gravitropism, growing towards gravity, and shoots show negative gravitropism, growing away from gravity. The root cap is the site of gravity perception in roots. Statoliths (amyloplasts) are involved in the process.
More Information
Gravitropism ensures roots anchor plants efficiently by growing downward into the soil, while stems grow upwards to access sunlight. This growth pattern is crucial for plant stability and resource acquisition.
Tips
A common mistake is confusing the positive and negative responses of roots and shoots. Remember that positive gravitropism occurs in roots as they grow towards gravity, and negative gravitropism occurs in shoots as they grow away from gravity.
Sources
- Gravitropism - Wikipedia - en.wikipedia.org
- Gravitropism - an overview | ScienceDirect Topics - sciencedirect.com
- Auxin and gravitropism - How is growth controlled in plants? - BBC - bbc.co.uk
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