SSC General Science & Technology Sample Paper NCERT Sample Paper-2

  • question_answer
    Life without air would be

    A)  reductional

    B)  Free from oxidative damage

    C)  Impossible

    D)  Anaerobic

    Correct Answer: D

    Solution :

    [d] Anaerobic means 'in absence of molecular oxygen', so life without air would be anaerobic. The atmosphere of earth at the time of origin of life was without free oxygen atoms, so the primitive atmosphere was reducing.

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