Carbohydrates MCQs | Carbohydrates Multiple Choice Questions with Answers

  3. multiple-choice-questions-and-answers-on-carbohydrates

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Questions
1 Carbohydrates are also known as___________
A Hydrates of carbon
B Carbonates
C Glycolipids
D Polysaccharides

Answer: Hydrates of carbon
2 Class of carbohydrate which cannot be hydrolyzed further, is known as?
A Disaccharides
B Polysaccharides
C Proteoglycan
D Monosaccharide

Answer: Monosaccharide
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3 Chitin consists of
A N-acetyl muramic acid
B N-acetyl glucosamine
C D-glucose units
D N-acetyl muramic acid and N-acetyl glucosamine

Answer: N-acetyl glucosamine
4 Amylopectin has
A β-1-4 and β-1-6 linkage
B β-1-2 linkage
C α-1-4 and α-1-6 linkage
D α-1-2 linkage

Answer: α-1-4 and α-1-6 linkage
5 Cellulose is made up of repeating units of
A β-1-4 linkage between D-glucose units
B β-1-2 linkage between D-glucose units
C α-1-4 linkage between D-glucose units
D α-1-2 linkage between D-glucose units

Answer: β-1-4 linkage between D-glucose units
6 Starch consists of
A unbranched amylose and branched amylopectin
B branched amylose and branched amylopectin
C unbranched amylose and unbranched amylopectin
D none of these

Answer: unbranched amylose and branched amylopectin
7 In maltose, the linkage is
A β-1-4 linkage
B β-1-2 linkage
C α-1-4 linkage
D α-1-2 linkage

Answer: α-1-4 linkage
8 In lactose, the linkage is
A β-1-4 linkage
B β-1-2 linkage
C α-1-4 linkage
D α-1-2 linkage

Answer: α-1-2 linkage
9 Lactose is a disaccharide consists of
A glucose and fructose
B glucose and galactose
C glucose and sucrose
D glucose and ribose

Answer: glucose and galactose
10 Sucrose is a
A monosaccharide
B disaccharide
C polysaccharide
D triose

Answer: disaccharide
11 In polysaccharides, monosaccharaides are joined by
A Peptide bond
B Glucose bond
C Glycosidic bond
D Covalent bond

Answer: Glycosidic bond
12 Oligosaccharides linked to proteins are called
A Glycoproteins
B Glycolipids
C Galactosides
D Ganglioside

Answer: Glycoproteins
13 Which of the following is a reducing sugar
A Glucose
B Dihydroxyacetone
C Erythulose
D None of these

Answer: Glucose
14 Smallest carbohydrates are trioses. Which of the following is a triose?
A Glucose
B Ribulose
C Ribose
D Glyceraldehyde

Answer: Glyceraldehyde
15 Carbohydrates accounts
A 30% in plants and 20% in animals
B 30% in plants and 10% in animals
C 30% in plants and 1% in animals
D 50% in plants and 50% in animals

Answer: 30% in plants and 1% in animals
16 Glycogen in animals are stored in
A Liver and spleen
B Liver and muscles
C Liver and bile
D Liver and adipose tissue

Answer: Liver and spleen
17 Nutritional polysaccharides are
A Starch and glycogen
B Starch and chitin
C Starch and cellulose
D Starch and glucose

Answer: Starch and glycogen
18 Structural polysaccharides include
A cellulose, hemicellulose and chitin
B cellulose, starch and chitin
C cellulose, starch and glycogen
D cellulose, glycogen and chitin

Answer: cellulose, hemicellulose and chitin
19 Carbohydrates are
A polyhydroxy aldehydes and phenols
B polyhydroxy aldehydes and ketones
C polyhydroxy ketones and phenols
D polyhydroxy phenols and alcohols

Answer: polyhydroxy aldehydes and ketones
20 The general formula of carbohydrate is
A (CH2O)n
B (C4H2O)n
C (C6H2O)n
D (C2H2O)n COOH

Answer: (CH2O)n
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