CBSE 2025 · Region 1 · Set 1 · Q12 · 1 mark
The breakdown of glucose has taken the following pathway : Glucose $\displaystyle \xrightarrow{(\mathrm{a})}$ Pyruvate + Energy $\displaystyle \xrightarrow{(\mathrm{b})}$ Lactic acid + Energy The sites 'a' and 'b' respectively are :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Cytoplasm and Oxygen deficient muscle cells
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.