Which of the following is a trisaccharide?
Stachyrose
Sucrose
Raffinose
Ribose
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
A peptide hormone is
estrone
testosterone
insulin
corticoid
Which one of the following does not correctly match with each other?
Silk - polyamide
Lipase - enzyme
Butter - fat
Oxytocin - enzyme
Which of the following is the sweetest?
Glucose
Fructose
Maltose
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
Number of chiral carbon atoms in β -D ( + )glucose is
five
six
three
four
All monosaccharides ____ Tollen's reagent
oxidises
condense with
reduces
add to
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.
Stachyose is a
Monosaccharide
disaccharide
triaccharide
tetrasaccharide
