A) 3 : 1 : 2
B) 2 : 1 : 2
C) 1 : 2 : 1
D) 5 : 4 : 1
Correct Answer: B
Solution :
Stanley Miller and Harold Urey synthesized amino acid by passing an electric discharge in a mixture of ammonia \[(N{{H}_{3}})\], hydrogen \[({{H}_{2}})\], water vapors \[({{H}_{2}}O)\] and methane \[(C{{H}_{4}})\]. The ratio of \[C{{H}_{4}},\,N{{H}_{3}}\] and \[{{H}_{2}}\] in large flask was 2 : 1 : 2.
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