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प्रश्न
Which of the following hormones regulate stomatal colour?
विकल्प
Auxins
GA
ABA
Cytokinins
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उत्तर
ABA
Explanation:
Abscisic acid (ABA) affects stomatal closure (the query most likely refers to stomatal closure rather than color).
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.
Answer the following question.
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- Promotion of cell division
- Inhibition of growth
- Elongation of cells
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Very Short Answer Question:
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