1. Tardigrade
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  3. Biology
  4. Arrange the following plants in the ascending order of evolution. Cycads, monocotyledons, dicotyledons, progymnosperms, seed ferns, psilophyton.

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Q. Arrange the following plants in the ascending order of evolution.
Cycads, monocotyledons, dicotyledons, progymnosperms, seed ferns, psilophyton.

NTA AbhyasNTA Abhyas 2020Evolution

Solution:

Psilophyton (genus of extinct vascular plants) ⟶ progymnosperms (extinct group of plants that flourished in the mid to late Devonian (360-350 MYA) and contained the ancestors of modern gymnosperms) ⟶ seed ferns (pteridospermatophyta are several distinct groups of extinct seed plants) ⟶ cycads (plants typically characterized by a stout and woody trunk with a crown of large, hard and stiff, evergreen leaves) ⟶ Dicotyledons (embryo with two cotyledons) ⟶ monocotyledons (embryo with one cotyledon).