A.Cambrian
B.Devonian
C.Ordovician
D.Triassic
Related Mcqs:
- In which of the following periods, chordates originated:
- Coenozoic Era has periods namely:
- Giant Reptiles flourished during Jrassic period but became extinct during:
- Oldest fossil belonged to the period:
- Land elevation at places formed deep continental seas in the period:
- Large and winged insects originated about 34.5 erore years ago during the period known as:
- Chordates as lower fishes in fresh water appeared in:
- First land vertebrate originated during:
- Palaeozoic era does not include:
- Which of the following periods does not belong to Mesozoic Era: