A.Permian
B.Carboniferous
C.Triassic
D.Devonian
Related Mcqs:
- Giant Reptiles flourished during Jrassic period but became extinct during:
- In which of the following periods the crocodiles, alligators and advanced lizards originated:
- Coenozoic Era has periods namely:
- Non-chordates of all phyla flourished during the period:
- In geological history of the earth, the beginning of birds and mammals occurred in:
- Amphibians were at climax during:
- In which of the following periods, chordates originated:
- First land vertebrate originated during:
- Sherw-like first Eutherian mammal originated during:
- The half-life period t 1/2 of a radioactive element is N years. The period of its complete decay is