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Anatomy of Flowering Plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYAnatomy of Flowering Plants2 Marks
Question
  1. What is the origin of secondary phloem?
  2. In which plants it is found?
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Answer

  1. Secondary phloem develops from a lateral meristem called vascular cambium.
  2. It is found only during secondary growth of dicots and gymnosperms with the exception of annuals.

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