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Biology · 2023 · 3 marks
CBSE 2023 · Region 5 · Set 2 · Q22
Explain how did the experiment conducted by S.L. Miller substantiate that life evolved from pre-existing non-living organic molecules.
Explain how did the experiment conducted by S.L. Miller substantiate that life evolved from pre-existing non-living organic molecules.
Marking-scheme solution
S.L. Miller created electric discharge in a closed flask, containing \(\displaystyle \mathrm{NH}_{3}, \mathrm{CH}_{4}, \mathrm{H}_{2}\), water vapour at $\displaystyle 800$°C temperature, leading to the production of amino acids / organic molecules.
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CBSE Class 12 Biology past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.