A) \[\frac{{{N}_{2}}}{{{O}_{2}}}\]
B) \[\frac{C{{O}_{2}}}{{{O}_{2}}}\]
C) \[\frac{{{O}_{2}}}{C{{O}_{2}}}\]
D) \[\frac{C}{N}\]
Correct Answer: B
Solution :
Respiratory quotient (RQ) is the ratio of the volume of\[C{{O}_{2}}\]produced to the volume of \[{{O}_{2}}\] consumed in respiration over a period of time. \[\text{RQ=}\frac{\text{Volume}\,\text{of}\,\text{C}{{\text{O}}_{\text{2}}}\,\text{evolved}}{\text{Volume}\,\text{of}\,{{\text{O}}_{\text{2}}}\,\text{absorbed}}\] RQ of carbohydrate == one RQ of fat and protein = less than one RQ of organic acids = more than one.
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