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Vessels are found in...

Vessels are found in

A

all angiosperms and some gymnosperms

B

most of angiosperms and few gymnosperms

C

all angiosperms and few gymnosperms and some pterdophytes

D

all pteridophytes

Text Solution

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The correct Answer is:
b
Most anigosperms have vessels except a few (e.g. Drimys, Tetracentron , Trochodendron).The gymnosperms, as a rule , lack vessels but these are found in the order - Gnetales . Vessels are the constituent of xylem . They are composed of row of cells placed one above the other . Transverse wall of these cells is absent due to the dissolution.
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