In roots, the protoxylem lies towards the periphery and metaxylem lies towards the center. This arrangement is called:
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Correct answer: Exarch
The exarch condition is a defining characteristic of roots. In this arrangement, the younger protoxylem is directed towards the outside (periphery) while the older metaxylem is towards the inside.
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More Anatomy of Dicot and Monocot Roots questions
- The layer of cells that gives rise to lateral roots is:
- Which of the following is the correct sequence of layers in a dicot root from outside to inside?
- The thin-walled cells of the endodermis located opposite the protoxylem, which lack Casparian strips, are called:
- In a monocot root, how many xylem bundles are typically present?
- Suberin is a waxy substance associated with which tissue in the root?
- The vascular bundles in roots are always: