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Question

The effect of apical dominance can be overcome by which of the following hormone:

A
Cytokinin
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B
Ethylene
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C
Gibberellin
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D
IAA
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Solution

The correct option is A Cytokinin
Apical dominance:
  • The phenomenon in which the growth of lateral buds gets inhibited due to the growth of apical bud is known as apical dominance.
  • This is attributed to the action of auxin present at the apical regions of the root and shoot.
  • Cytokinin is antagonistic to the auxins in this aspect and helps overcome apical dominance.
Final answer: d. Cytokinin.

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