Stanley Miller had put the Oparin-Haldane theory to test in 1953 by creating in the laboratory, ...

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Stanley Miller had put the Oparin-Haldane theory to test in 1953 by creating in the laboratory, the probable conditions of the primitive earth. In the experiment, simple amino acids were synthesized from which of the following mixtures as observed after 18 days?
(a) \( \mathrm{H}_{2}, \mathrm{O}_{2}, \mathrm{~N} \) and \( \mathrm{H}_{2} \mathrm{O} \)
(b) \( \mathrm{CH}_{4}, \mathrm{CN}, \mathrm{H}_{2} \) and \( \mathrm{O}_{2} \)
(c) \( \mathrm{H}_{2}, \mathrm{NH}_{3}, \mathrm{CH}_{4} \) and water, vapour
(d) \( \mathrm{NH}_{3}, \mathrm{CH}_{4} \) and \( \mathrm{O}_{2} \).
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