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Question
Name the gaseous plant hormone. Describe its three different actions in plants.
Short/Brief Note
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Solution
Ethylene is a gaseous plant hormone.
- Ethylene promotes the ripening of fruits. Eg: Tomato, Apple, Mango, Banana, etc.
- Ethylene inhibits the elongation of stem and root in dicots.
- Ethylene hastens the senescence of leaves and flowers.
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Chapter 16: Plant and Animal Hormones - Evaluation [Page 241]
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RELATED QUESTIONS
The figure given below shows the stages of ripening in a banana. Answer the questions that follow:
- Name the plant hormone responsible for the above changes.
- Mention two characteristic features of this hormone.
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- Cell division promoting activity
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Which hormone is produced mostly in all parts of a plant?
Which phytohormones is called secondary hormone?
Which hormone is responsible for fruit ripening?
Ethylene is synthesised in ______.
Which of the following is the only gaseous plant growth regulator?
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Name the following:
A gaseous plant hormone which promotes the ripening of fruits.
