Biology · Plant Hormones

What is the chemical name of the primary naturally occurring auxin found in plants?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Phenylacetic acid (PAA)
2Indole-3-butyric acid (IBA)
3Indole-3-acetic acid (IAA)✓
4Indole-3-propionic acid (IPA)

Correct answer

Indole-3-acetic acid (IAA)

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