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NEET Biology QUESTION #7263
Question 1
Select one of the following pairs of important features that distinguish Gnetum from Cycas and Pinus and show affinities with angiosperms:
  • Perianth and two integuments
  • Embryo development and apical meristem
  • Absence of resin duct and leaf venation
  • Presence of vessel elements and absence of archegonia✔️
Correct Answer Explanation
Gnetum is unique among gymnosperms in having vessel elements in the xylem (like angiosperms) and absence of archegonia in the female gametophyte (like angiosperms). These two features bring it closest to the angiosperms among all gymnosperms and are strong indicators of angiosperm affinity.