Biochemistry
???????? Topic: Carbohydrates????????
1️⃣ Class of carbohydrate which cannot be hydrolyzed further, is known as?
a) Disaccharides
b) Polysaccharides
c) Proteoglycan
d) Monosaccharide
2️⃣ Which class of carbohydrates is considered as non-sugar?
a) Monosaccharides
b) Disaccharides
c) Polysaccharides
d) Oligosaccharides
3️⃣ Name the major storage form of carbohydrates in animals?
a) Cellulose
b) Chitin
c) Glycogen
d) Starch
4️⃣ Sugars which differs from each other only around single carbon atom is called epimer.
a) True
b) False
5️⃣ A molecule of amylopectin which contains 1500 glucose residues and is branched after every 30 residues. How many reducing ends are there?
a) 0
b) 1
c) 2
d) 5
6️⃣ What is the name of the drug which inhibits Na+/K+ pump across the cell membrane?
a) Taxol
b) Vinblastine
c) Quinone
d) Ouabain
7️⃣ Mark the INCORRECT statement about sugar alcohol?
a) Addition of -itol as a suffix
b) A linear molecule that cannot cyclize
c) Carbonyl groups reduced to a hydroxyl group
d) Terminal -OH group oxidizes
8️⃣ Which of the following amino sugar are present in the bacterial cell wall?
a) N-acetylmuramic acid
b) Sialic acid
c) Aminoglycoside
d) Azide
9️⃣ Which of the following glycosidic linkage found in maltose?
a) Glucose (α-1 – 2β) Fructose
b) Glucose (α1 – 4) Glucose
c) Galactose (β1 – 4) Glucose
d) Glucose (β1 – 4) Glucose
???? Which of the following is also known as invert sugar?
a) Sucrose
b) Fructose
c) Dextrose
d) Glucose
Answers
1.D(Monosaccharide)
2.C(Polysaccharides)
3.A(cellulose)
4.A(True)
5.B(1)
6.D(Ouabain)
7.D(Terminal -OH group oxidizes)
8.A(N -acetylmuramic acid)
9.B(glucose(α1-4)glucose)
10.A(sucrose)
