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प्रश्न
What would be expected to happen if A rotten fruit gets mixed with unripe fruits?
उत्तर
The mass of undifferentiated cells is called callus. If the rotten fruits get mixed with unripe fruits, then the ethylene produced from the rotten fruits will hasten the ripening of the unripe fruits.
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संबंधित प्रश्न
A higher concentration of ethylene is found in
Ethylene retards the senescence of leaves, flowers, and fruits.
Name the gaseous plant hormone. Describe its three different actions in plants.
In which of the following cases ethylene (gaseous phytohormone) synthesized in large amounts by tissues?
- Ripening of fruits
- Senescence
- Cell division promoting activity
- Actively growing apices of stems and roots.
Which phytohormones is called secondary hormone?
Describe physiological effects and applications of gaseous hormones in plants.
Which hormone is responsible for fruit ripening?
Pick up the right options and complete the chart given below and rewrite:
(Options: Antitranspirant, Ethylene, Auxin, ABA, Apical dominance, Gibberellins, Cytokinin, NAA.)
| Sr. No. | Hormone | Example | Function |
| 1 | ____________ | IAA | Cell elongation |
| 2 | Auxin | IBA | ____________ |
| 3 | Stress hormone | ____________ | Delay cell division |
| 4 | ____________ | Zea tin | Cell division |
| 5 | Abscissic acid | ABA | ____________ |
| 6 | Auxin | ____________ | Flowering in pineapple |
Give a definition of the following Apical dominance.
The hormone which promotes the ripening of fruits is ______.
