A) auxin
B) gibberellin
C) kinetin
D) ABA
Correct Answer: A
Solution :
In many plants, as the apical bud grows, the growth of lower axillary buds is suppressed. Removal of apical bud results in the growth of lower buds. The auxin (\[\text{IAA}\]) of the terminal bud inhibits the growth of lateral buds. This phenomenon is known as apical dominance.
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