Geological Time Scale — Prelims Questions

Which of the following geological periods is famously known as the 'Age of Fishes'?

Which of the following events occurred earliest in Earth's history according to the Geological Time Scale?

The Permian-Triassic extinction event, the largest mass extinction in Earth's history, marks the boundary between which two geological eras?

Which of the following is a characteristic feature of the Proterozoic Eon?

Which of the following statements about the Cenozoic Era is INCORRECT?

The 'Great Oxidation Event', which led to a significant increase in atmospheric oxygen, occurred during which Eon?