1.

Write differences between vessels and tracheids.

Answer»
S. No.VesselsTracheid
(i)Vessels are longer and may be as long as 10 cm.They are comparatively short and are usually upto 1 mm. in length.
(ii)A Vessel is composed of a row of cells placed one above the otherA tracheid is a single cell which is elongated and has tapering end walls.
(iii)Vessels are comparatively wider.Tracheids are comparatively narrower.



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