In open vascular bundle, cambium is present between xylem and phloem of the same vascular bundle, eg, dicot stems. Due to the presence of cambium, secondary growth in stem occurs and secondary permanent tissues (secondary xylem, secondary phloem and vascular rays) are formed.
Some vascular bundles are described as open because these
NEET UG 2011 — Botany Anatomy of Flowering Plants
Some vascular bundles are described as open because these
Held on 30 Apr 2011 · Verified 9 Jul 2026.
Options
- A
are surrounded by pericycle but to endodermis
- B
are capable of producing secondary xylem and phloem
- C
possess conjunctive tissue between xylem and phloem
- D
are not surrounded by pericycle
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