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Question
Which of the following induces flowering in long day plants?
Which of the following induces flowering in long day plants?
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Solution
The correct option is A Gibberellins
One of the components of florigen is the hormone gibberellin that induces the action of florigen and thereby induces flowering in long day plants. The process is normally dependent on exposure to low temperature or long days. When flower formation is induced by the appropriate physical factors, the endogenous gibberellins of the plant seem to undergo quantitative as well as qualitative changes. Also, artificial treatment of long day plants with gibberellins in cases when the hormone is absent induces flowering. So, the correct option is 'Gibberellins'.
One of the components of florigen is the hormone gibberellin that induces the action of florigen and thereby induces flowering in long day plants. The process is normally dependent on exposure to low temperature or long days. When flower formation is induced by the appropriate physical factors, the endogenous gibberellins of the plant seem to undergo quantitative as well as qualitative changes. Also, artificial treatment of long day plants with gibberellins in cases when the hormone is absent induces flowering. So, the correct option is 'Gibberellins'.
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