Q. Jurassic period of the Mesozoic era is characterised by :
A) gymnosperms are dominant plants and first birds appear
B) radiation of reptiles and origin of mammal like reptiles
C) dinosaurs become extinct and angiosperms appear
D) flowering plants and first dinosaurs appear
Explanation
[Solution from source] In the Jurassic period gymnosperms such as conifers and cycads were the dominant plants and the first birds (Archaeopteryx) appeared. Dinosaurs became extinct at the end of the Cretaceous, not the Jurassic. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.