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Introduction

Respiratory q...

Question

Respiratory quotient (R.Q.) is

Volume of O

_{2}

evolved / Volume of CO

_{2}

consumed

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Volume of CO

_{2}

evolved / Volume of O

_{2}

consumed

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Volume of O

_{2}

consumed / Volume of CO

_{2}

evolved

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Volume of CO

_{2}

consumed / Volume of O

_{2}

evolved

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Solution

The correct option is B Volume of CO $_{2}$ evolved / Volume of O $_{2}$ consumed
Respiratory quotient or R.Q. is the ratio of volume of CO $_{2}$ produced to volume of O $_{2}$ consumed during cellular respiration. It is measured by Ganong's Respirometer. R.Q. for carbohydrates is 1, organic acid is >1 and fats and proteins is <1.
So, the correct answer is 'Volume of CO $_{2}$ evolved / Volume of O $_{2}$ consumed'.

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