A sugar 'X' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol gives the coloured product after sometime. Sugar 'X' is

Animal starch is the other name of

Which one of the following is a reducing sugar?

Glycosidic linkage between C₁ of $$\alpha$$-glucose and C₂ of $$\beta$$-fructose is found in