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प्रश्न
Common gibberellin is
पर्याय
GA1
GA2
GA3
GA7
उत्तर
GA3
APPEARS IN
संबंधित प्रश्न
How does chemical coordination occur in plants?
What is the general name of chemical substances which bring about control and coordination in plants?
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 figure given below shows the stages of ripening in a banana. Answer the question that follow:
Mention two characteristic features of this hormone.
Answer the following question.
What are plant hormones? Name the plant hormones responsible for the following:
- Growth of stem
- Promotion of cell division
- Inhibition of growth
- Elongation of cells
Very Short Answer Question:
What is role of gibberellin in rosette plants?
Gibberellins are synthesised from ______.
First cytokinin was discovered by Skoog and Miller while working on tissue culture of ____________ plant.
Identify the INCORRECT statement regarding physiological effects of ethylene.
Study the diagram given below and answer the questions that follow:
- Name the phenomenon depicted by the shoot in the above diagram.
- Which plant hormone plays an important role in the above movement?
- Complete and rewrite the given statement by filling in the correct terms:
Shoots show positive ______ whereas, roots show positive ______.
