Geological Structure
Quick practice
Question 1 of 5
The boundary between the Mesozoic and Cenozoic eras is marked by:
A
Cretaceous–Paleogene mass extinction
B
Origin of vertebrates
C
Beginning of glaciation
D
Permian mass extinction
Get unlimited practice with NTA-UGC-NET & SET Exams subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go