Dicot stem has open vascular bundles. They are called 'open' because they

Question

Dicot stem has open vascular bundles. They are called 'open' because they (A) Are surrounded by pericycle but no endodermis (B) Are capable of producing secondary xylem and phloem (C) Possess conjunctive tissue between xylem and phloem (D) Are not surrounded by pericycle

Tardigrade Admin · Accepted Answer

In the vascular bundles of dicotyledonous stems, cambium is present between phloem and xylem. This cambium has the ability to form secondary xylem and phloem tissues. This the vascular bundles can grow continuously. Hence they are called open vascular bundles.

Q. Dicot stem has open vascular bundles. They are called 'open' because they

Are surrounded by pericycle but no endodermis

Are capable of producing secondary xylem and phloem

Possess conjunctive tissue between xylem and phloem

Are not surrounded by pericycle

In the vascular bundles of dicotyledonous stems, cambium is present between phloem and xylem. This cambium has the ability to form secondary xylem and phloem tissues. This the vascular bundles can grow continuously. Hence they are called open vascular bundles.