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Question : Given below are four statements i-iv regarding geological time scale. Read them carefully. (i) Paleozoic era is the era of ancient life. (ii) Ordovician period is the age of vertebraes. (iii) Carboniferousperiod is the age of reptiles (iv) Proterozoic era is the era of early life Which of the above two statements are incorrect ?

Answer»

I and IV
ii and iii
ii and iv
i and iii

Solution :Ordovician period existed about 500 million years ago and is the age of INVERTEBRATES. Carboniferous period that existed 350 million years ago is the age of AMPHIBIANS.


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