A.Proterozoic era
B.Palaeozoic era
C.Mesozoic era
D.Coenozoic era
Related Mcqs:
- Life originated during:
- First Great Revolution occurred during:
- Periods between origin of gaseous cloud and the earth’s crust is called:
- Mammals became dominant in__________??
- Reptiles dominated during:
- Which of the following eras in geological time-scale corresponds to the period when life had nnot originated on earth:
- Which of the following eras is ‘Era of Invisible Life:
- In which of the following eras, the protozoans specially shelled radiolarians flourished:
- Rocky Mountain Revolution occurred during:
- Which of the following includes most primitive mammals:
