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प्रश्न
The figure given below shows the stages of ripening in a banana. Answer the question that follow:
Mention two characteristic features of this hormone.
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उत्तर
Characteristic features of ethylene:
- Site of synthesis:
o It is synthesised in senescent leaves and flowers, germinating seeds and ripening fruits.
- Functions:
o Induces and promotes fruit ripening
o Promotes fruit ripening
संबंधित प्रश्न
List five plant growth hormones and briefly describe their roles.
The tea plants are never allowed to grow lengthwise. This is done by cutting their apical buds, a process known as pruning. In this way, tea plants get a dense growth and easy yield. Answer the following questions:
- Name the scientific phenomenon that is being overcome by pruning.
- What plant hormone is responsible for the scientific phenomenon mentioned in (a)?
- Name one plant hormone which inhibits the said phenomenon.
Conversion of nitrates to nitrogen is called ______.
Gibberellins are synthesised from ______.
Which hormone induces parthenocarpy in tomatoes?
First cytokinin was discovered by Skoog and Miller while working on tissue culture of ____________ plant.
Name the plant hormones responsible for the following
- elongation of cells
- growth of stem
- promotion of cell division
- falling of senescent leaves.
A plant growth inhibitor hormone which causes wilting of leaves is ______.
The response by parts of the plant towards stimulus is called as ______.
Which plant hormone is called an antitranspirant?
