A) endarch and polyarch
B) exarch and polyarch
C) exarch and radial
D) endarch and collateral.
Correct Answer: C
Solution :
: In dicot roots, vascular bundles are always arranged in a ring and are radial i.e., xylem and phloem are situated at different radii. The protoxylem is always away from the centre and metaxylem towards the centre. This condition of xylem is called exarch.
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