Q. Which is the lowermost and the oldest epoch of the tertiary period of the geologic time scale?
Answer: Palaeocene
Notes: Palaeocene is the lowermost and oldest epoch of the tertiary period. It spans between 65 million years ago to 57 million years ago.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 34 in Geology Geological Time Earths Internal Structure in above course in App.