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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?
Name the following:
Growth-retarding hormone in plants.
Multiple choice question.
How many molecules of ATP are required to fix one molecule of nitrogen?
A gardener wants to give bushy appearance to plants in our college campus.
- What should he do to achieve the same?
- Which property of phytohormones he must be aware of?
Which hormone promotes the production of male flowers in Cucurbits?
Match the following lists and select the correct option.
| List I | List II | ||
| i. | 2,4-D | a. | Promotes senescence and ripening of fruits |
| ii. | ABA | b. | DelaysJeaf senescence |
| iii. | Gibberellins | c. | Increases the length of the sugarcane stem |
| iv. | Ethylene | d. | Kills dicotyledonous weeds without affecting mature monocotyledonous plants |
| e. | Stimulates the closure of stomata |
Name the first hormone that was discovered in plant and its precursor.
A plant growth inhibitor hormone which causes wilting of leaves is ______.
Give one example of Parthenocarpy.
The response by parts of the plant towards stimulus is called as ______.
