Botany - Respiration in Plants Question with Solution | TestHub

The ratio of the volume of${\mathrm{C}\mathrm{O}}_2$evolved to the volume of${\mathrm{O}}_2$consumed in respiration is called the respiratory quotient (RQ). When fats are used in respiration, the RQ is less than$1$. For oxidation of groundnut, fats are oxidized thus value of RQ is less than$1$. In  rice and potato the main respiratory substrate is carbohydrates, for which, the RQ value is one.