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Which of the following does not belong to tracheophyte ancestors?

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in Biology – Class 12 by (271k points)
Which of the following does not belong to tracheophyte ancestors?

(a) Herbaceous lycopods

(b) Arborescent lycopods

(c) Sphenopsids

(d) Zosterophyllum

The 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

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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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