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Question
Name the following:
A gaseous plant hormone which promotes the ripening of fruits.
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Solution
Ethylene
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RELATED QUESTIONS
The figure given below shows the stages of ripening in a banana. Answer the questions that follow:
- Name the plant hormone responsible for the above changes.
- Mention two characteristic features of this hormone.
What would be expected to happen if A rotten fruit gets mixed with unripe fruits?
Compound which is most widely used as a source of ethylene is ____________.
Synthesis of ethylene takes place in ______
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 hormone is produced mostly in all parts of a plant?
Which hormone is responsible for fruit ripening?
Which of the following is the only gaseous plant growth regulator?
Explain the role of chlorophyllase enzyme in banana.
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 |
