Which one of the following contain obliterated central lumen?

Tracheids

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Xylem fibres

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Vessels

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Xylem Parenchyman

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Solution

The correct option is A Xylem fibres
A. Tracheids have thickenings of lumen.
B. Xylem fibres have obliterated central lumen due to very thick walls.
C. Vessels have lignified cell wall and large central cavity.
D. Xylem parenchyma have thin walls.
So, the correct answer is 'Xylem fibres'.

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Similar questions

Which of the following has obliterated central lumen?

Column I	Column II
Vessels	Cells are living, with thin cellulosic cell walls
Tracheids	Cells possess highly thickened walls with obliterated central lumen
Xylem fibres	Individual members are interconnected through perforations in their common walls
Xylem parenchyma	Elongated tube-like cells with thick, lignified walls and tapering ends

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