What is nature of glucose - glucose linkage in starch that makes its so susceptible to acid hydrolysis?
Starch is hemiacetal
Starch is acetal
Starch is polymer
Starch contains only few molecules of glucose
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
Stachyose is a
Monosaccharide
Disaccharide
Trisaccharide
Tetrasaccharide
Which of the following is a trisaccharide?
Stachyrose
Sucrose
Raffinose
Ribose
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.
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
α - maltose consists of
One α - D -glucopyranose unit and one β - D - glucopyranose unit with 1 - 2 glycosidic 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
A peptide hormone is
Estrone
Testosterone
Insulin
Corticoid
Hydrolysis of sucrose is called
Inversion
Esterification
Hydration
Saponification
