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Ram Avtar Sharma • 50 Points
Achiever Biology

(A) Pectin
(B) Hemi-cellulose
(C) Cellulose
(D) Lignin
Correct Answer - Option(D)
Explanation by: Ram Avtar Sharma
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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