Originally the primitive atmosphere was reducing because:

Zoology Scope and Origin Of Life Mcqs
BILAL KHATTAK0

A.Oxygen was most abundant
B.Hydrogen was absent
C.Hydrogen atoms were most abundant and active
D.Carbon Atom were most active

Related Mcqs:

  1. According to most accepted theories, the atmosphere of earth before origin of life consisted of a mixture of:
  2. The density of the hydrocarbon liquids
  3. The most abundant gas emitted from volcanoes is __________?
  4. The most abundant gas in the stratosphere is __________?
  5. The most abundant gases in the earth’s atmosphere by volume are ____________.
  6. Which are the four most abundant elements in living cells ??
  7. The earth’s first atmosphere was composed primarily of ______________.
  8. Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth’s atmosphere?
  9. The two major consitituents of the sun are
  10. Freon 12 is a compound consisting of stoms of

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