Plant Growth and Development — BIO BOTANY STD 11 — Question
Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYPlant Growth and Development3 Marks
Question
Mention any three physiological effects of gibberellins.
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Answer
It produces extraordinary elongation of stem caused by cell division and cell elongation.
Rosette plants (genetic dwarfism) plants exhibit excessive inter modal growth when they are treated with gibberellins. This sudden elongation of stem followed by flowering is called bolting.
Gibberellin breaks dormancy in potato tubers.
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