How is glucose related to fructose?

$\alpha - D - (+) -$ glucose and $\beta - D - (+) -$ glucose are:

Identify the pair of carbohydrates containing galactose as one of the constituents in both of them.

Carbohydrates are essential for life in both plants and animals. Name the carbohydrates that are used as storage molecules in plants and animals,and also name the carbohydrate which is present in wood or in the fibre of cotton clothes.

Which carbon atom of glucose,numbered from $C-1$ to $C-6$,converts its functional group to a $-COOH$ group when heated with $Br_2$ water?

Ribose is an example of .........