Question

In $1953$, S.L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include.

• A. Low temperature, volcanic storms, atmosphere rich in oxygen
• B. Low temperature, volcanic storms, reducing atmosphere
• C. High temperature, volcanic storms, non-reducing atmosphere
• D. High temperature, volcanic storms, reducing atmosphere containing $C{H}_4,N{H}_3$, etc

Answer 1

The correct option is D High temperature, volcanic storms, reducing atmosphere containing $C{H}_4,N{H}_3$, etc

Miller took a flask containing a mixture of gases (ammonia, methane, hydrogen). A high-frequency spark was constantly circulating. A small amount of water was boiled to generate water vapour.

So, the correct answer is 'High temperature, volcanic storms, reducing atmosphere containing CH${}_4$, NH${}_3$, etc.'