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STD 12 - 6. evolution — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 6. evolution1 Mark
MCQ
Urey -Miller's experiment mixture had the following except
  • A
    Methane
  • ✓
    $CO _{2}$
  • C
    Hydrogen
  • D
    Water vapour
✓

Answer

Correct option: B.
$CO _{2}$
b
In $1953,$ Stanley Miller and Harold Urey synthesized amino acids by passing an electric discharge in a mixture of methane $\left( CH _{4}\right)$, ammonia $\left( NH _{3}\right)$, hydrogen $\left( H _{2}\right)$ and water vapours $\left( H _{2} O \right).$

Carbon dioxide $\left( CO _{2}\right)$ was not present in the Urey-Miller experiment mixture.

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