StreakPeaked· Practice

ExamsNEETBiology

The hormone responsible for apical dominance is

  1. IAA
  2. GA
  3. ABA
  4. florigen

Correct answer: IAA

Solution

IAA (indole-3-acetic acid) is the principal auxin produced in the shoot apex. It inhibits lateral bud growth, which creates apical dominance.

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