The two functional groups present in a typical carbohydrate are :-

$>\mathrm{C}=\mathrm{O}$ and $-\mathrm{OH}$

$-\mathrm{OH}$ and $-\mathrm{CHO}$

$-\mathrm{OH}$ and $-\mathrm{COOH}$

$-\mathrm{CHO}$ and $-\mathrm{COOH}$