MCQ
Centripetal xylem is present in:
- ADicot root
- BDicot stem
- CMonocot stem
- DBranches of stem
Explanation:
In dicotyledonous roots Xylem plates usually join at the centre forming a solid core.
Hence the stele is regarded as a protostele.
Xylem is always exarch, due to centripetal mode of differentiation from the procambium, so protoxylem occurs towards circumference and metaxylem towards the center.
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