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Which of the following does not belong to tracheophyte ancestors?(a) Herbaceous lycopods(b) Arborescent lycopods(c) Sphenopsids(d) ZosterophyllumThe question was asked in an interview for internship.This question is from A Brief Account of Evolution of Plants in section Evolution of Biology – Class 12

Answer»

Right choice is (c) SPHENOPSIDS

For explanation I would say: Herbaceous LYCOPODS, arborescent lycopods, and zosterophyllum belong to the ANCESTRAL line of tracheophyte. They occurred during the period of JURASSIC, Permian, and SILURIAN respectively. Sphenopsids belonged to Psilophyton.



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