Internodal elongation prior to flowering in plants with rosette habit is promoted by the following phytohormone.
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a
Auxins
b
Gibberellins
c
Cytokinins.
d
Ethylene
answer is B.
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Detailed Solution
Gibberellins promote bolting in plants with rosette habit. They promote the elongation of internodes prior to flowering in plants like cabbage, beet etc.