Carbohydrates MCQ

Sucrose on hydrolysis gives
(a) Two molecules of glulcose
(b) Two molecules of fructose
(c) One molecule each of glucose                       and fructose
(d) One molecule each of glucose                       and mannose

Which of the following is a disaccharide
(a) Lactose (b) Starch
(c) Cellulose (d) Glucose

Glucose cannot be classified as
(a) A hexose (b)A carbohydrate
(c) An oligosaccharide (d)An aldose

The reagent which forms crystalline osazone derivative when reacted with glucose, is
(a) Fehling solution
        (b) Phenylhydrazine
(c) Benedict solution
(d) Hydroxylamine

An enzyme which brings about the conversion of starch into maltose is known as
(a) Maltase (b) Zymase
(c) Invertase (d) Diastase

Canesugar on hydrolysis gives
(a) Glucose and maltose
(b) Glucose and lactose
(c) Glucose and fructose
(d) Only glucose

Glucose is a
(a) Monosaccharide
(b) Disaccharide
(c) Trisaccharide
(d) Polysaccharide

Which carbohydrate is used in silvering of mirrors
(a) Sucrose (b) Starch
(c) Glucose (d) Fructose

A carbohydrate that cannot be hydrolysed to simpler forms is called
(a) Disaccharide
(b) Monosaccharide
(c) Polysaccharide
(d) Trisaccharide

If monosaccharide contains an aldehyde group, it is known as
(a) Epimer (b) Osones
(c) Osazone (d) Aldose

If a monosaccharide contains a ketogroup, it is known as
(a) Ketose (b) Osones
(c) Epimer (d) Osazone

The aqueous solution of a carbohydrate gives dark blue colour with iodine. It is
(a) Glucose (b) Fructose
(c) Sucrose (d) Starch