$A$ nucleoside on hydrolysis gives:

The ultimate product of the hydrolysis of starch is

Glucose when reduced with $HI$ and red phosphorus gives

Lactose on hydrolysis gives

Given below are two statements: one is labelled as Assertion $A$ and other is labelled as Reason $R.$
Assertion $A :$ Sucrose is a disaccharide and a non-reducing sugar.
Reason $R :$ Sucrose involves glycosidic linkage between $C_{1}$ of $\beta$-glucose and $C_{2}$ of $\alpha$-fructose.
Choose the most appropriate answer from the options given below :

$D$-glucose upon treatment with bromine-water gives: