Solved UPSC CDS/OTA Question
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Q · Geological Time ScaleMedium · 45s
The term ‘Proterozoic’ means:
TopicGeological Time Scale
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Explanation:‘Proterozoic’ means ‘earlier life’ — before the emergence of abundant complex life.
Final Answer: Option A - Earlier life