Question

Q3.Why does cell wall of the mature Sclerenchyma tissue gets thickened?​

Answer 1

Sclerenchyma cells occur in many different shapes and sizes, but two main types occur: fibres and sclereids. Cross-section of sclerenchyma tissue (red). The thickened, secondary walls are lignified to provide support to the surrounding plant tissues.

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Answer 2

Answer:

due to the presence of chemical substances called lignin

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