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UPSC Biology Ecology and Ecosystem Biodiversity Question Bank Evolution and Ecology Biodiversity

  • question_answer
          Consider the following statements :
    A. Life can originate on earth from pre-existing life only.
    B. The atmosphere of the primitive earth was reducing.
    Which of these statement(s) is/are correct?

    A) A only                  

    B)          B only

    C) Both A and B    

    D)          Neither A nor B

    Correct Answer: C

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