A) fat
B) fructose
C) glucose
D) organic add
Correct Answer: D
Solution :
Respiratory Quotient (RQ) is the ratio of the volume of \[C{{O}_{2}}\]released to the volume of oxygen taken in respiration. It is written as\[\text{RQ=}\frac{\text{Volume}\,\text{of}\,\text{C}{{\text{O}}_{\text{2}}}\,\text{evolved}\,}{\text{Volume}\,\text{of}\,{{\text{C}}_{\text{2}}}\,\text{absorbed}}\text{=}\frac{\text{C}{{\text{O}}_{\text{2}}}}{{{\text{O}}_{\text{2}}}}\] Value of RQ varies with substrate. RQ is usually measured by Ganong's respirometer. [a] Carbohydrates = 1 (unity) [b] Fats = 0.7 (less than unity) [c] Proteins = 0.5 - 0.9 (less than unity) [d] Organic acid = more than unity [e] Incomplete oxidation of carbohydrates=0 (zero) [f] Absence of \[{{O}_{2}}=\infty \] (infinite).
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