alleryStart learning →Which is the most common natural auxin?
ADichlorophenoxy acetic acid
BNaphthalene acetic acid
CIndole-3-acetic acid
DIndole butyric acid
Answer & Solution
Correct answer: C. Indole-3-acetic acid
IAA is the main natural auxin; NAA, IBA and 2,4-D are synthetic.
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