[Campbell Biology P.901] Which statement accurately describes abscisic acid ABA according to... | Practice Question

Which statement accurately describes abscisic acid ABA according to the text?

  • A: ABA primarily promotes leaf abscission.
  • B: ABA stimulates plant growth, similar to auxins.
  • C: High levels of ABA in maturing seeds inhibit germination.
  • D: ABA's role in plants was widely accepted immediately after its discovery.

Explanation

The text states in the 'Seed Dormancy' section: 'The high levels of ABA in maturing seeds inhibit germination and induce the production of proteins that help the seeds withstand the extreme dehydration that accompanies maturation.'