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प्रश्न
Name the gaseous plant hormone. Describe its three different actions in plants.
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उत्तर
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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संबंधित प्रश्न
A higher concentration of ethylene is found in
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.
In which of the following cases ethylene (gaseous phytohormone) synthesized in large amounts by tissues?
- Ripening of fruits
- Senescence
- Cell division promoting activity
- Actively growing apices of stems and roots.
Which phytohormones is called secondary hormone?
Describe physiological effects and applications of gaseous hormones in plants.
Which hormone is responsible for fruit ripening?
A farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which plant growth regulation can be applied to achieve this?
Which of the following is the only gaseous plant growth regulator?
Explain the role of chlorophyllase enzyme in banana.
Name the following:
A gaseous plant hormone which promotes the ripening of fruits.
