question_answer

Exarch and polyarch condition found in:

A)  monocot stem 

B)  dicot stem

C)  monocot root  

D)  dicot root

Correct Answer: C

Solution :

 When the development of xylem takes place towards the center of the axis or in other words the protoxylem develops  towards the periphery, it is called centripetal xylem and the xylem Strand as exarch. Exarch and polyarch condition of vascular bundle is found in monocot roots.