CBSE 2024 · Region 3 · Set 1 · Q7 · 1 mark
S.L. Miller in $\displaystyle 1953$, to support the theory of chemical evolution, created conditions in the closed flask that included :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \mathrm{CH}_{4}, \mathrm{H}_{2}, \mathrm{NH}_{3}, \mathrm{H}_{2} \mathrm{O}$ vapour at $\displaystyle 800^{\circ} \mathrm{C}$
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CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.