α - maltose consists of
one α - D -glucopyranose unit and one β - D - glucocpyranose unit with 1 - 2 glycosideic linkage.
two α - D -glucopyranose unit with 1 - 2 glycosidic linkage.
two β - D -glucopyranose unit with 1 - 4 - glycosidic linkage
two α - D -glucopyranose unit with 1 - 4 glycosidic linkage.
Which of the following does not exhibit the phenomenon of mutarotation?
( - ) fructose
( + ) sucrose
( + ) lactose
( + ) maltose
Which of the following is the sweetest?
Glucose
Fructose
Maltose
Sucrose
Glucose on reaction with fehling solution gives
cupric oxide
cuprous oxide
saccharic acid
Both ( b ) and ( c )
Water hydrolysis of sucrose produces
two molecules of glucose
two molecules of fructose
one molecule of each glucose and fructose
one molecule and each glucose and mannose
How can you say that glucose is cyclic compound?
Glucose undergoes Tollen's reaction
Glucose reacts with phenyl hydrazine
Glucose fails to react with sodium hydrogen sulphite
Glucose reacts with nitric acid
The monomer units of starch are
α- glucose
β- glucose
pyranose
galactose
Glucose and mannose are
epimers
anomers
ketohexoses
disaccharide
Which one of the following statements is incorrect for the sucrose?
It is obtained from cane sugar.
It is not reducing sugar.
On hydrolysis, it gives equal quantities of D -glucose and D - fructose
It gives aspartame when it is heated at 210oC.
A diabetic person carries a packet of glucose with him always, because
glucose increases the blood sugar level slowly.
glucose reduces the blood sugar level.
glucose increases the blood sugar level almost instantaneously.
glucose reduces the blood sugar level slowly.
