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Question

Apical dominance is caused by

A
Abscisic acid in lateral bud
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B
Gibberellin in lateral buds
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C
Cytokinin in leaf tip
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D
Auxin in shoot tip
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Solution

The correct option is D Auxin in shoot tip
Apical dominance in plants refers to the condition where the apical bud is prominent hence keeping the central stem dominant. It doesn't allow the proliferation of lateral buds. It is caused due to production of auxin in the apical bud. This results in prevention of growth of lateral buds in plants.

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