Ncert Exercises & Solutions

Pyruvic acid, the key product of glycolysis, can have many metabolic fates. Under aerobic condition, it forms

1. lactic acid

2. CO₂ + H₂O

3. acetyl Co-A+ CO₂

4. ethanol + CO₂

Pyruvate, the product obtained through glycolysis, gets oxidised with the loss Of its carboxy group as CO₂, to give acetyl Co-A, and this acetyl Co-A is further oxidised completely to CO₂+ H₂O in citric acid cycle.

Other options are incorrect as
Lactic acid is formed in muscles under anaerobic conditions.
Ethanol and CO₂ are products of anaerobic respiration in yeast cells.

Page 230, XI NCERT

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