Botany - Respiration in Plants Question with Solution | TestHub

In respiration, from $180\mathrm{gm}$ of glucose 264 $\mathrm{gm}\mathrm{CO}{\mathrm{CO}}_2+108\mathrm{gm}{\mathrm{H}}_2\mathrm{O}+686\mathrm{Kcal}$ energy is formed. ${\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6+6{\mathrm{O}}_2\to 6{\mathrm{CO}}_2+6{\mathrm{H}}_2\mathrm{O}+686\mathrm{Kcal}$ Atomic weight of $\mathrm{C}=12,\mathrm{H}=1,\mathrm{O}=16$ $$\begin{array}{rl}{\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6& =(12\times 6+12\times 1+16\times 6)\\ & =180\mathrm{gm}\\ 6{\mathrm{CO}}_2& =6(12+16\times 2)\\ & =264\mathrm{gm}\\ 6{\mathrm{H}}_2\mathrm{O}& =6(2\times 1+16)\\ & =108\mathrm{gm}\end{array}$$ $\therefore$ From $1\mathrm{molecule}$ or $180\mathrm{gm}$ of glucose, through energy are formed.