Biologyhard · Past Paper
The primary cell wall of plants is mostly composed of:
ALignin
BCellulose, hemicellulose, and pectin
CSuberin
DChitin
✓ Correct Answer: B — Cellulose, hemicellulose, and pectin
While lignin is found in secondary walls, the primary wall is a flexible matrix of cellulose, hemicellulose, and pectin.
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