Which of the following is NOT a naturally occurring auxin?
A. Indole 3-acetic acid (IAA)
B. Indole 3-butyric acid (IBA)
C. Phenylacetic acid (PAA)
D. 2,4-D
Answer:D
Which of the following is NOT a naturally occurring auxin?
A. Indole 3-acetic acid (IAA) B. Indole 3-butyric acid (IBA) C. Phenylacetic acid (PAA) D. 2,4-D