Q. Arrange the periods of Palaeozoic era in ascending order in a geological time scale.
A) Cambrian –Ordovician –Silurian –Devonian –Carboniferous -Permian
B) Cambrian – Devonian – Ordovician – Silurian –Carboniferous -Permian
C) Cambrian –Ordovician – Devonian – Silurian –Carboniferous -Permian
D) Silurian – Devonian – Cambrian – Ordovician – Permian - Carboniferous
Explanation
The correct order of the poriods of Palaeozoic era in ancending order in a geological time scale is$-$ Cambrian –Ordovician –Silurian –Devonian –Carboniferous -Permian
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.