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Apical dominance is caused by
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- abscisic acid in lateral bud
- cytokinin in leaf tip
- gibberellin in lateral buds
- auxin in shoot tip
Correct Option: D
Apical dominance is the phenomenon by which presence of apical bud does not allow lateral buds to grow. Apical dominance is due to auxin. When shoot tip is cut; then lateral buds start growing.