Which of the following is NOT a plant hormone that can be used as a plant growth regulator?
A) ethylene
B) anthocyanin
C) abscisic acid
D) gibberellin
Answer: B) anthocyanin
Biology Questions and Answers.
A) ethylene
B) anthocyanin
C) abscisic acid
D) gibberellin
Answer: B) anthocyanin