Sucrose on hydrolysis gives

Which monosaccharide units are present in starch,cellulose,and glucose,and which linkages connect these units?

Glucose when reduced with $HI$ and red phosphorus gives

Which among the following is a product of hydrolysis of one mole of raffinose?

In polysaccharides,the linkage connecting monosaccharide units is called:

Assertion : Treatment of $D$-glucose with dilute alkali affords an equilibrium mixture consisting of $D$-mannose,$D$-fructose and starting substance $D$-glucose.
Reason : The reaction involves an intermediate in which hybridization of $C_2$ changes from $sp^3$ to $sp^2$.