explain vascular tissue system in detail
Answers
xylem and phoelm ocur in same radii
radial vascular system
xylem and phoelm occur in opposite patches
open vascular system
cambium ring is present between xylem and phloem
cloosed vascular system
cbium ring is not present between xylem and phloem
plz mark as brainlest
★ THE VASCULAR TISSUE SYSTEM:-
It consists of complex tissues (xylem and phloem).
→ Xylem and phloem together constitute vascular bundles.
★ Based on the presence or absence of cambium, vascular bundles are 2 types:-
o Open type:- In this, cambium is present between phloem and xylem. So vascular bundles can form secondary xylem and phloem tissues.
E.g. dicotyledonous stems.
o Closed type:- In this, cambium is absent. Hence, they do not form secondary tissues.
E.g. monocotyledonous stem
★ Based on the arrangement of xylem and phloem, vascular bundles are 2 types:-
o Radial type:- In this, xylem and phloem within a vascular bundle are arranged in an alternate manner on different radii. Seen in roots.
o Conjoint type:- In this, xylem and phloem are situated at the same radius of vascular bundles. Seen in stems and leaves. The conjoint vascular bundles usually have the phloem located only on the outer side of xylem.