In dicot stems, cambium is present between phloem and xylem. Such vascular bundles, because of the presence of cambium, posses the ability to form secondary xylem and phloem tissues and hence, are called open vascular bundles. On the contrary, vascular bundles in monocots have no cambium. Hence, they do not form secondary tissues, and are referred to as closed.
Closed vascular bundles lack
NEET UG 2012 — Botany Anatomy of Flowering Plants
2012mcqhard
Closed vascular bundles lack
Official previous-year question
Held on 30 Apr 2012 · Verified 9 Jul 2026.
Options
- A
ground tissue
- B
conjunctive tissue
- C
cambium
- D
pith
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