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Q. The walls of sclerenchyma cells are thickened due to ____ ?

  • (A) Pectin
  • (B) Hemi-cellulose
  • (C) Cellulose
  • (D) Lignin
  • Correct Answer - Option(D)
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Explanation by: Admin
Sclerenchyma tissue possesses long, narrow cells with thickened walls. They possess secondary walls made of lignin. Lignin is a chemical substance, which acts as cement and hardens them

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