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MDCAT Biology QUESTION #11291
Question 1
Gibberellins are plant hormones that primarily promote:
  • Fruit ripening
  • Stem elongation and seed germination✔️
  • Leaf abscission
  • Root formation
Correct Answer Explanation
Gibberellins promote stem elongation, seed germination (by breaking dormancy), and flowering. Ethylene promotes fruit ripening and leaf abscission. Auxins promote root formation.