Question

walls of collenchyma are thickened sue to ____ and og scherenchyma due to ____

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Answer 1

Answer:

Collenchyma cells have thin primary walls with some areas of secondary thickening. Collenchyma provides extra mechanical and structural support, particularly in regions of new growth. Sclerenchyma cells have thick lignified secondary walls and often die when mature.

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Answer 2

Wall of collenchyma are thickened due to presence of suberin.

Schlerenchyma is thickened due to Lignin.

Explanation:Collenchyma do not contain lignin but have a thick wall of cellulose (suberin)

while Schlerenchyma has a thick wall of lignin known as lignified wall.