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Anatomy of Flowering Plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYAnatomy of Flowering Plants1 Mark
MCQ
Cells in which end walls are absent are:
  • A
    Parenchyma
  • B
    Sclerenchyma
  • C
    Vessels
  • D
    Sieve tubes
✓

Answer

  1. Vessels

Explanation:

Vessel elements differ from tracheids in that the end walls are modified into perforation plates, an area or areas in which there is no shared wall material or membrane.

Vessel elements are found in the late metaxylem (the final, or most developed, form of the primary xylem). 

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