Which one of the following is a growth regulator produced by plants?
A
Naphthalene acetic acid
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B
Zeatin
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C
2,4-Dichlorophenoxy acid
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D
Benzyl aminopurine
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Solution
The correct option is A Zeatin Zeatin is a plant hormone called as a cytokinin. It was discovered in the corn carnel of the genus Zea and thus called as zeatin by F Skoog in 1950s. It promotes cell division, delayed seed dormancy and leaf senescence.