Q.

The breakdown of pyruvate to give carbon dioxide, water and energy takes place in :

1 Cytoplasm  
2 Mitochondria  
3 Chloroplast  
4 Nucleus  

Ans.

(2)

Aerobic respiration is the process of breaking down pyruvate into carbon dioxide, energy, and water in the presence of oxygen. This process takes place in the mitochondria of the cell.