$R.Q.$ is defined as:

Assertion : Complete oxidation of carbohydrates in aerobic respiration $RQ$ value is found to be $1$.
Reason : During complete oxidation of carbohydrates, equal amount of $CO_2$ and $O_2$ are evolved and consumed respectively.

What is the $R.Q.$ (Respiratory Quotient) for human fat?

The respiratory quotient $(RQ)$ of protein during complete oxidation is $.......$.

What is the Respiratory Quotient $(RQ)$ of lactic acid fermentation?

Which instrument is used to measure the respiratory quotient $(RQ)$?