Plant Growth and Development — BIO BOTANY STD 11 — Question
Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYPlant Growth and Development2 Marks
Question
Why do you call Abscisic acid (ABA) as stress hormone?
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Answer
It inhibits the shoot growth and promotes growth of root system. This character protect the plants from water stress. Hence, ABA is called as stress hormone.
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