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Worksheetssucrose
Total questions: 16
Worksheet time: 8mins
Glucose belongs to the class
Aldohexose
Ketohexose
Aldopentose
Ketopentose
Fructose contains a
aldehyde group
ketone group
carboxyl group
ether group
The ring structure of glucose is commonly
furanose
pyranose
ketose
triose
Fructose exists largely in
pyranose form
furanose form
open chain form
tetrose form
Hydrolysis of sucrose gives........
glucose+glucose
fructose+fructose
glucose+fructose
none
which one is non-reducing sugar?
Glucose
Fructose
Sucrose
Lactose
What is glucose syrup?
just a glucose solution
hydrolysate of starch
sugar solution
all of the above
which enzyme is responsible for hydrolysis of sucrose?
Anhydrase
Alpha-amylase
Beta-amylase
Invertase
What is invert sugar?
Sugar solution
hydrolysis product of sucrose
hydrolysis product of starch
High fructose corn syrup
Which test differentiates reducing sugars?
Molisch test
Benedict’s test
Seliwanoff’s test
Barfoed’s test
Sucrose is composed of which type of glycosidic linkage?
α-1,4
β-1,4
α-1→β-2
β-1→β-2
Which of the following is true about sucrose?
A reducing disaccharide
Contains a free aldehyde group
Gives positive Tollen’s test
Has no free anomeric carbon
Hydrolysis of sucrose is commonly called.......
Lactation
Inversion
Fermentation
Dehydration
Sucrose on heating with conc. HCl gives.....
Invert sugar
Glucose only
Fructose only
Sorbitol
Sucrose on strong heating produces
invert sugar
caramel
ethanol
glucose
Alpha-amylase acts on
α-1,6 glycosidic bonds
α-1,4 glycosidic bonds
β-1,4 glycosidic bonds
glycosidic bond only at reducing end
