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  1. What is the correcture sequence of the following the context of the age of the earth since its origin ?
    1. Cenozoic
    2. Mesozoic
    3. Paleozoic
    4. Protozoic
    1. 4,3,1,2
    2. 3,4,2,1
    3. 3,4,1,2
    4. 4,3,2,1
Correct Option: D

NA


Comments


  1. SANTOSH KUMAR

    June 21, 2018 Reply

    Proterozoic: 2.5 billion years ago to 541 million years ago
    Paleozoic: 541 million years ago to 250 million years ago
    Mesozoic: 250 million years ago to 65 million years ago
    Cenozoic: 65 million years ago to now


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