Q. The ferns, conifers, gnetales and Ginkgo all are direct descendants of

 3238  221 NTA AbhyasNTA Abhyas 2020Evolution Report Error

Solution:

Psilophyton is a genus of extinct vascular plants. Described in 1859, it was one of the first fossil plants to be found which was of Devonian age. Plants lacked leaves or true roots; spore-forming organs or sporangia were born on the ends of branched clusters.