MCQ
In a vascular bundle, if xylem vessels develop in a centripetal fashion, the xylem is likely to be
- AMesarch
- BCentrarch
- CEndarch
- ✓Exarch
✓
Answer
Correct option: D.
Exarch
d
When the protoxylem elements lie at the periphery and metaxylem in the centre, the condition is said to be exarch. Here, the direction of development is centripetal, e.g., root.
When the protoxylem elements lie at the periphery and metaxylem in the centre, the condition is said to be exarch. Here, the direction of development is centripetal, e.g., root.
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