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Question

Histogen found at the tip of root apical meristem is

A
Plerome
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B
Periblem
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C
Calyptrogen
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D
Dermatogen
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Solution

The correct option is C Calyptrogen
  • The root apical meristem gives rise to three primary meristems- procambium, ground meristem, protoderm and the root cap.
  • Calyptrogen is a specialized internal meristematic cell derived from the root apical meristem.
  • They divide internally to produce a protective cap-like structure at the root tip called the root cap.
  • Dermatogen, periblem and plerome are the three histogens derived from the shoot apical meristem.
  • So, the correct answer is 'Calyptrogen'

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