Lignin is the important constituent in the cell wall of
Phloem
Parenchyma
Xylem
Cambium
(c) Most of the xylem cells have deposition of lignin on their cell wall.
Which element of xylem is the characteristic feature of angiosperms?
The first formed primary phloem is referred as …$A$… The later formed primary phloem is referred as …$B$…
Choose the correct combination of $A$ and $B$
Sieve tubes have
How many type of cells constitute a simple permanent tissue
A simple mechanical tissue devoid of lignin is
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