UPSC CDS/OTA
Geological Time Scale
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Geological Time Scale

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Questions
30
Time
30 min
Marks
30
Solutions
All inline
Q1Consider the following statements: The Precambrian Eon accounts for about 88% of Earth’s geological history. The Phanerozoic Eon follows the Precambrian Eon. The Paleozoic Era is part of the Precambrian Eon. Which of the statements given above is/are correct?MediumSolve →Q2Which of the following is the correct chronological order of the Eras within the Phanerozoic Eon?MediumSolve →Q3The extinction of the dinosaurs occurred at the end of which Era?MediumSolve →Q4The Cambrian Explosion refers to:MediumSolve →Q5Arrange the following periods in correct order (earliest to latest): Ordovician Devonian Silurian CarboniferousMediumSolve →Q6The ‘Age of Fishes’ is associated with which Period?MediumSolve →Q7The earliest known fossils of life (stromatolites) are found in which Eon?MediumSolve →Q8Which of the following eras is known as the ‘Age of Mammals’?MediumSolve →Q9Consider the following statements about the Quaternary Period: It is the most recent period of the Cenozoic Era. It includes the Holocene and Pleistocene Epochs. Which of the statements is/are correct?MediumSolve →Q10Which Period is also known for extensive coal formation?MediumSolve →
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