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प्रश्न
Name the following:
Growth-retarding hormone in plants.
एक पंक्ति में उत्तर
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उत्तर
Abscisic acid
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Chemical Coordination in Plants - Review Questions [पृष्ठ ९०]
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संबंधित प्रश्न
Apical dominance phenomenon is caused by
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 |
List five plant growth hormones and briefly describe their roles.
The figure given below shows the stages of ripening in a banana. Answer the question that follow:

Mention two characteristic features of this hormone.
Why is ABA known as antitranspirant?
Match the column A with B
| A | B | |
| i. | Epinasty of flower | GA3 |
| ii. | Natural auxin | NAA |
| iii. | Flowering in Litchi | IAA |
| iv. | Bolting of Beet | Ethylene |
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.
Which hormone causes Bakanae disease of rice?
IAA stands for ______.
Bakane disease of rice is caused by ______.
