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Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms
Options
(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
Correct Answer:
presence of vessel elements and absence of archegonia
Explanation:
The important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms are presence of vessel elements and absence of archegonia
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Topics: Plant and Animal Kingdom
(295)
Subject: Biology
(4253)
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