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Question

Pruning of plants promotes branching because the axillary buds get sensitized to

A
Ethylene
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B
Gibberellin
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C
Cytokinin
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D
Indole acetic acid
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Solution

The correct option is D Indole acetic acid
Indole acetic acid, which is a type of auxin is well known to exhibit apical dominance. Apical dominance is the growth of the shoot tip of the plant, which makes the plant to grow tall. This inhibits the growth towards sides. When the plant is pruned, the axillary buds are accelerated and results in the sidewards growth of plant.
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