Question
Biology Question on Anatomy of Dicotyledonous and Monocotyledonous Plants
Two cross - sections of stem and root appear simple, when viewed by naked eye. But under microscope, they can be differentiated by
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
Answer
endarch condition of stem and exarch condition of root
Explanation
Solution
The stem and root can be differentiated on the basis of their xylem condition in root the xylem is exarch, ie, protoxylem (first formed xylem is towards the outer side of the organ and in stem the xylem is endarch, i e, protoxylem is towards the centre of the organ.