$R.Q.$ is represented by

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

Which knowledge is obtained by knowing the value of $R.Q.$?

$2 (C_{52} H_{89} O_{12}) + 145 O_2 \rightarrow 102 CO_2 + 89 H_2O + \text{energy}$.
To make the equation true, what should be placed in the reactant side instead of $2 (C_{52} H_{89} O_{12})$?

The $RQ$ of actively photosynthesizing tissue is.........

What is the Respiratory Quotient $(RQ)$ for the following reaction?
$2(C_{51}H_{98}O_6) + 145O_2 \rightarrow 102CO_2 + 98H_2O + \text{Energy}$