Select one of the following of important features distinguishing Gnetum from Cycas and Pinus and showing…

Select one of the following of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms
  1. Embryo development and apical meristem
  2. Absence of resin duct and leaf venation
  3. Presence of vessel elements and absence of archegonia
  4. Perianth and two integuments

Solution

Members of order Gnetales possess vessels and show absence of archegonia.

Asked in: NEET 2008 (Mains)

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