Q. Select one of the following pairs of important features distinguishing $Gnetum$ from $Cycas$ and $Pinus$ and showing affinities with angiosperms
A) Absence of resin duct and leaf venation
B) Presence of vessel elements and absence of archegonia
C) Perianth and two integuments
D) Embryo development and apical meristem
Explanation
The presence of vessels in the xylem and abserce of archegonis are angiospermic character and also found in $Gnetum.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.