Practice: Hormones in Plants

In light of your study of auxins, which of the following would most likely be their main commercial use in agriculture?

  • AStimulating the vertical growth and the development of different parts of the plant
  • BInhibiting the growth of roots so that crops would need a smaller amount of water
  • CDirecting the growth of the shoots of crop plants towards the sunlight to track the direction of the Sun
  • DProtecting the crops from birds and pest insects due to their toxic effect

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