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Tissues — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceTissues2 Marks
Question
Give the characteristic features of their cells.
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Answer

Features of sclerenchyma fibers:
  • These are dead elements.
  • They have thick wall of lignin, are elongated and pointed at ends.
  • They have pits also.
  • They mostly occur in groups.
Features of sclereids:
  • These are dead elements.
  • These are oval, spherical and are thickened due to lognin deposition.
  • They have very narrow cavities at the centre.

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