Plant Growth 101

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Questions and Answers

Which type of growth is responsible for increasing the girth of stems and roots in gymnosperms and many angiosperms?

  • Primary growth
  • Tertiary growth
  • Quaternary growth
  • Secondary growth (correct)

What does the vascular cambium produce?

  • Secondary xylem and secondary phloem (correct)
  • Quaternary xylem and quaternary phloem
  • Tertiary xylem and tertiary phloem
  • Primary xylem and primary phloem

What are the two types of meristematic cells in the cambium responsible for secondary growth?

  • Apical meristem and lateral meristem
  • Fasicular cambium and interfasicular cambium (correct)
  • Epidermal meristem and ground meristem
  • Vascular meristem and cork meristem

What is the function of auxin signaling in lateral root formation?

<p>Initiate cell division and elongation in the pericycle (D)</p> Signup and view all the answers

Which compound is known to destroy nitric oxide (NO)?

<p>CPITO (B)</p> Signup and view all the answers

Where does lateral root initiation occur in the plant?

<p>Pericycle (C)</p> Signup and view all the answers

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