A) exarch condition of root and stem
B) endarch condition of stem and root
C) endarch condition of root and exarch condition of stem
D) endarch condition of stem and exarch condition of root
Correct Answer: D
Solution :
Characteristic feature of stem is endarch condition of xylem tissue. In endarch protoxylem is present towards the center of stem while metaxylem towards the pericycle. Characteristic feature of root is exarch condition of xylem tissue. In exarch condition protoxylem is present towards the pericycle and metaxylem towards the centre of the root.
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