In terms of geological time scale, the quaternary period consists of two epochs. They are :
[amp_mcq option1=āPleistocene and Plioceneā option2=āHolocene and Pleistoceneā option3=āPleistocene and Mioceneā option4=āHolocene and Eoceneā correct=āoption2ā³]
This question was previously asked in
UPSC NDA-1 ā 2023