Plant Hormones · Botany

What are plant hormones commonly called?

  1. Phytochromes
  2. Secondary metabolites
  3. Phytoalexins
  4. Phytohormones
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Correct answer: Phytohormones

Plant hormones are also known as phytohormones. They are chemical messengers that regulate plant growth, development, and responses to environmental stimuli.

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