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प्रश्न
First natural cytokinin was obtained from ______.
विकल्प
Rice plants
Tobacco callus
Maize grains
Human urine
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उत्तर
First natural cytokinin was obtained from Maize grains.
संबंधित प्रश्न
What is Parthenocarpy?
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.
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 question :
What plant hormone is responsible for the scientific phenomenon mentioned in 1.1.
Multiple choice question.
Which is employed for the artificial ripening of banana fruits?
Gibberellins are synthesised from ______.
Buyers often complain that a particular fruit merchant uses some chemical to ripen fruits in his shop.
Name the chemical he must be using to do so.
Write full form of 2,4-D
Antidiuresis is the role of ______ hormone.
Name the plant hormones responsible for the following
- elongation of cells
- growth of stem
- promotion of cell division
- falling of senescent leaves.
The response by parts of the plant towards stimulus is called as ______.
