Anatomy of Flowering PlantsHard
Question
Vassels sre found in
Options
A.all angiosperms and some gymnosperms
B.most of angiosperms and few gymnosperms
C.all angiosperms and few gymnosperms and some pteridophytes
D.all pteridophytes
Solution
Most of angiosperms vassels except a few (eg, Drimys, Tetracentron, Trochodendeon). The gymnosperms, as a rule, lack vassels but these are found in the order Gnetales. Vasselsare the constituent of cells placed one above the other. Transverse wall of these cells is absent due to dissolution.
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