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प्रश्न
Gibberellins are synthesised from ______.
पर्याय
Acetic acid
Mevalonic acid
Tryptophan
Ethephon
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उत्तर
Gibberellins are synthesised from Mevalonic acid
संबंधित प्रश्न
Which of the following is not a plant hormone?
A plant hormone related with inhibition of senescence is
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 |
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.
The active ingredient of Agent Orange is an egual mixture of two phenoxy herbicides ____________.
Apical dominance refers to ____________.
Coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps.
What is the significance of the above experiment performed by Dr. F. Went?
Name various plant hormones. Also give their physiological effects on plant growth and development.
Name the first hormone that was discovered in plant and its precursor.
Which plant hormone is called an antitranspirant?
