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प्रश्न
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.
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उत्तर
Auxins
संबंधित प्रश्न
How does chemical coordination occur in plants?
Stems are
Match the items in column A with those of column B.
| Column A | Column B | ||
| (a) | Auxin | (i) | apical dominance |
| (b) | Gibberellin | (ii) | cell-division |
| (c) | Cytokinin | (iii) | fruit ripening |
| (d) | Ethylene | (iv) | internodal elongation |
Name the following:
Growth-retarding hormone in plants.
Very Short Answer Question:
Which is the plant stress hormone?
Write full form of 2,4-D
First cytokinin was discovered by Skoog and Miller while working on tissue culture of ____________ plant.
Identify the INCORRECT statement regarding physiological effects of ethylene.
Name various plant hormones. Also give their physiological effects on plant growth and development.
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 ______.
