According to most accepted theories, the atmosphere of earth before origin of life consisted of a mixture of:

Zoology Scope and Origin Of Life Mcqs
BILAL KHATTAK0

A.Water vapours, Hydrogen, Ammonia and Methaine
B.Hydrogen, Carbon Dioxide, Ammonia and Methane
C.Oxygen, Ammonia, Methane and Water
D.Ozone, Methane, Oxygen and Water

Related Mcqs:

  1. Stanley Miller in his classical experiment on formation of amino acids passed an electric discharge in the mixture of:
  2. Miller synthesized simple amino acids from:
  3. Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth’s atmosphere?
  4. The most abundant gases in the earth’s atmosphere by volume are ____________.
  5. Biogas is composed of __________?
  6. The earth’s first atmosphere was composed primarily of ______________.
  7. Which of the following is not a green house gas?
  8. Which one of the following gases shows a different behaviour at high pressure?
  9. Which of the following is likely to have been absent in free form at the time of origin of life:
  10. The most abundant greenhouse gas in the earth’s atmosphere is ________________.

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