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प्रश्न
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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उत्तर
- Ethylene is the hormone responsible for the above changes. At ordinary temperatures, ethylene is a gas; it helps in the ripening of bananas when stored together.
- Characteristic features of ethylene:
- It is synthesised in senescent leaves and flowers, germinating seeds and ripening fruits.
- It promotes root growth and root hair formation and it also induces and promotes fruit ripening.
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संबंधित प्रश्न
A higher concentration of ethylene is found in
______ is a gaseous hormone involved in the abscission of organs and acceleration of fruit ripening.
Name the gaseous plant hormone. Describe its three different actions in plants.
Synthesis of ethylene takes place in ______
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?
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.
Which hormone promotes internode/petiole elongation in deep water rice?
