Multiple choice

The growth and elongation of cells in plants is promoted by

  1. γ-butyrolactone

  2. γ-hydroxybutyric acid

  3. geraniol

  4. gibberellic acid

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gibberellic acid is a hormone found in plants. Its chemical formula is C19H22O6. When purified, it is a white-to-pale-yellow solid. Gibberellic acid is a simple gibberellin, a tetracyclic diterpene acid promoting growth and elongation of cells.