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प्रश्न
Name the following:
Growth-retarding hormone in plants.
एका वाक्यात उत्तर
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उत्तर
Abscisic acid
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पाठ 7: Chemical Coordination in Plants - Review Questions [पृष्ठ ९०]
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संबंधित प्रश्न
Stems are
Gibberellins are synthesised from ______.
Why is ABA known as antitranspirant?
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 |
Identify the INCORRECT statement regarding physiological effects of ethylene.
The only phytohormone which is a gas at ordinary temperature:
Which one of the following pair of plant hormones inhibit flowering in some plants?
Bakane disease of rice is caused by ______.
