Question

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On the basis of origin and development, structure and form the

sclerenchyma in plants may be either fibres or sclereids,

Differentiate between fibres and sclereids.

Carries 2 marks
Class 11 CBSE

Answer 1

Explanation:

Fibres are unbranched and elongated cells whereas sclereids are short and irregular cells.

Fibres have tapering end walls whereas sclereids have blunt end walls. These are the main differences between fibres and sclereids.

Answer 2

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$\Large\bold\blue{Fibres:}$

◇ Long cells

◇ Narrow, Elongated pointed ends

◇Occurs in bundles

◇ Commonly unbranched

◇ Derived directly from meristematic tissues

$\Large\bold\blue{Scelreids:}$

◇ Short cells

◇ Usually short and broad

◇ Occurs individually or in small group

◇ May be branched

◇ Develops from secondary sclerosis parenchyma cells

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