Plant Growth and Development — BIO BOTANY STD 11 — Question
Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYPlant Growth and Development2 Marks
Question
Mention any two physiological effect of auxins in plant.
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Answer
They promote cell elongation in stem and coleoptile.
At higher concentrations auxins inhibit the elongation of roots but induce more lateral roots. Promotes growth of root only at extremely low concentrations.
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