Vessels are found in
All pteridophyta
All angiosperms
Some gymnosperm
Both $(b)$ and $(c)$
It’s obvious.
In pteridophyta and gymnosperms which cells are present in place of companion cell
The vessel elements of angiosperms differ from other elements of xylem in having
Definitions / Explanation :
$(i)$ Endoarch vessels
$(ii)$ Exoarch vessels
The tissue which is living but does not possess nucleus in mature stage is
Which of the following elements has its end walls perforated
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