Respiratory quotient $(R.Q.)$ is defined as:

  • A
    $\frac{CO_2}{O_2}$
  • B
    $\frac{O_2}{CO_2}$
  • C
    $\frac{N_2}{CO_2}$
  • D
    $\frac{CO_2}{N_2}$

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When the respiratory substrate is ......,the volume of $CO_2$ evolved is more than the volume of $O_2$ consumed.

The respiratory quotient $(RQ)$ depends upon the .......

The $R.Q.$ (Respiratory Quotient) is represented by which of the following ratios?

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