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.
Hydrolysis of sucrose is called
inversion
esterification
hydration
saponification
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.
The reagent which forms crystalline osazone derivative when reacted with glucose is
fehling solution
phenyl hydrazine
Benedict solution
hydroxyl amine
Stachyose is a
Monosaccharide
disaccharide
triaccharide
tetrasaccharide
The letter 'D' in D - glucose signifies
configuration at all chiral carbons
dextrorotatory
that is a monosaccharide
configuration at a particular chiral carbon.
Which of the following is incorrect for glucose?
It contains one ketone group
It contains four -CHOH groups
It contains one - CHO group
It contains one - CH2OH group
Glucose contains in addition to aldehyde group
one secondary - OH and four primary - OH groups.
One primary - OH and four secondary - OH groups
two primary - OH and three secondary - OH groups
three primary - OH and two secondary - OH groups
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
Number of chiral carbon atoms in β -D ( + )glucose is
five
six
three
four