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Question
Which phytohormones is called secondary hormone?
Options
Auxins
Gibberellins
Ethylene
Cytokinins
MCQ
Solution
Ethylene
Explanation:
Growth regulators include auxin, gibberellins, and cytokinins. Ethylene is a gaseous hormone that is primarily responsible for ripening and is referred to as a secondary hormone.
shaalaa.com
Types of Plant Hormones: Ethylene
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