fibres of coconut husk are hard and brittle – Discussion Forum

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Piyush365

Asked: May 8, 2026In: Class 9 Science

You may have noticed that fibres of coconut husk are hard and brittle, whereas the leaf stalks of coriander are soft and flexible. Find out the reason.

Coconut husk fibres contain sclerenchyma with thick lignified walls, making them hard and brittle. Coriander leaf stalks contain collenchyma with unevenly thickened walls and pectin, providing softness, flexibility and support without breaking during bending or movement.