Which plant hormone is unique because it exists as a gas?
Show answer and explanation
Correct answer: Ethylene
Ethylene is the only gaseous plant hormone. It diffuses easily through plant tissues and regulates fruit ripening and leaf fall.
Keep practicing
More Plant Hormones questions
- Which hormone helps plants close their stomata during water stress?
- Which hormone is most associated with apical dominance?
- Which hormone accelerates leaf and fruit drop in plants?
- Which plant hormone acts with auxin, their ratio deciding whether a tissue culture develops roots or shoots?
- Which hormone is commonly used in agriculture to stimulate seed germination?
- Which plant hormone regulates dormancy and inhibits germination under unfavorable conditions?