A) xylem is made of all living cells
B) xylem is made of living and non living cells
C) xylem is made of non-living cells
D) xylem does not contain cells
Correct Answer: B
Solution :
Xylem is a complex permanent tissue which conducts sap or water. It also provides mechanical strength. Xylem is made of living and non-living cells. Xylem is made of four types of cells. Living cell ? Xylem parenchyma Non-living cells ? Tracheids, vessels and fibres.
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