Question:
Which of the following is the only gaseous plant growth regulator?
Which of the following is the only gaseous plant growth regulator?
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Ethylene is unique as the only gaseous plant growth regulator; recall its role in ripening.
Updated On: Nov 10, 2025
- ABA
- Cytokinin
- Ethylene
- Gibberellin
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The Correct Option is C
Solution and Explanation
Ethylene is a gaseous plant hormone that regulates processes like fruit ripening and senescence. ABA, cytokinin, and gibberellin are not gases; they are typically solid or liquid compounds.
Answer: Ethylene.
Answer: Ethylene.
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