Which one of the following does not correctly match with each other?
Silk - polyamide
Lipase - enzyme
Butter - fat
Oxytocin - enzyme
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
Number of chiral carbon atoms in β -D ( + )glucose is
five
six
three
four
Which of the following is the sweetest?
Glucose
Fructose
Maltose
Sucrose
Cellulose is soluble in
ammoniacal cupric hydroxide solution
waver
organic solvent
None of the above
The monomer units of starch are
α- glucose
β- glucose
pyranose
galactose
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.
Which of the following is a trisaccharide?
Stachyrose
Raffinose
Ribose
The reagent which forms crystalline osazone derivative when reacted with glucose is
fehling solution
phenyl hydrazine
Benedict solution
hydroxyl amine
Glucose on reaction with fehling solution gives
cupric oxide
cuprous oxide
saccharic acid
Both ( b ) and ( c )
