What is the difference between tracheids and vessels in xylem ? – InterviewSolution

1.

What is the difference between tracheids and vessels in xylem ?

Answer»

S.No	Property	Tracheids	Vessels
1.	Plants containing them	In all vascular elements(Pteri – dophytes, gymno – sperm and angio – sperms)	Found mainly in angiosperms. Also in some pterido- phytes (e.g sela- ginella, Equisetum and pteridium) and gymnosperms (eg Gnetales)
2.	Length	Comparatively short and rarely exceed 1 mm in length	Usually long and may attain 10 cm in length. Rarely reach to 2-6 metres (Quercus, Eucalyptus)
3.	Shape	Elongated with tapering ends end wall remains intact.	Cells placed one upon the other and their end walls are either absent or possess perforation
4.	Cell cavities	Not much wide	Wide as compared to tracheids.

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