QS Study

Identifying characteristics of the internal structure of dicot root:


  • Cuticle is absent in the epiblema and welfitted with unicellular root hairs.
  • Endodermis consists of one layered cells and casparian strips are present in endodermal cells
  • Pericycle is composed of one layered cells
  • Vascular bundles are two to six in number
  • Vascular bundles are radial type
  • Xylem is exarch type i.e. proto-xylem is situated towards the periphery
  • Medulla is very small.
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