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प्रश्न
Define the following term:
Phytohormones
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उत्तर
Plant hormones are known as phytohormones. These are organic molecules that serve as mediators, similar to animal hormones, to facilitate the coordination of a variety of cellular activities within a plant.
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संबंधित प्रश्न
How does chemical coordination occur in plants?
Which of the following hormones regulate stomatal colour?
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.
Name the tissue that transports hormones within the plant body?
Write the name of______
- First hormone discovered in plants.
- Biological name of fungus from which Gibberellins were first isolated.
- The name given to the first cytokinin by Skoog and Miller.
Apical dominance refers to ____________.
First cytokinin was discovered by Skoog and Miller while working on tissue culture of ____________ plant.
Which among the following is the CORRECT statement regarding ethylene?
Name various plant hormones. Also give their physiological effects on plant growth and development.
The box given below contains twelve words. Out of these, ten can be arranged in five suitable matching pairs. Make these five pairs in the form of a table.
| Auxins, Abscisic acid, Fruit ripening, Cytokinins, Closure of stomata, Parthenocarpy, Ethylene, Gibberellins, Tropism, Stem elongation, Cuscuta, Cell division. |
