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Anatomy of Flowering Plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYAnatomy of Flowering Plants2 Marks
Question
How are sclereids different from sclerenchyma fibres?
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Answer

 
Sclereids
Sclerenchyma Fibres
1
These cells are spherical or oval in shape and not elongated.
These cells are elongated and thick-walled tapering ends.
2
The cell wall is highly thickened, with a narrow lumen.
These cells have lignified cell walls.
3
These are present in the pulp of guava and pear fruits and in the shells of nuts.
Fibres are found in association with phloem (bast fibres) and xylem (wood fibres).

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