A) xylem is surrounded all around by phloem
B) there are no vessels with perforations
C) a bundle sheath surrounds each bundle
D) there is no secondary growth
Correct Answer: D
Solution :
The vascular bundles containing cambium are said to be open but if no cambium develops, they are referred as closed. Due to absence of cambium, the secondary growth is not found. In most monocotyledons, closed vascular bundles are found.
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