Plant Hormones · Botany

Which hormone is commonly used in agriculture to stimulate seed germination?

  1. Ethylene
  2. Cytokinin
  3. Abscisic acid
  4. Gibberellin
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Correct answer: Gibberellin

Gibberellins are used in agriculture to stimulate seed germination and increase crop growth. They help break seed dormancy.

Difficulty: Medium Question 19 of 20

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