Multiple choice

Natural auxin is:

  1. NAA

  2. IAA

  3. 2,4-D

  4. Aviton

  5. Both (a) and (b)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

IAA (Indole-3-acetic acid) is the primary natural auxin produced by plants. NAA (naphthaleneacetic acid) and 2,4-D are synthetic auxins used in agriculture. Aviton appears to be an incorrect or obscure term.

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