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Free download in PDF Carbohydrates Multiple Choice Questions & Answers for competitive exams. These Multiple Choice Questions with answers are very important for competitive exams like NEET, AIIMS, JIPMER etc.
(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
(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
(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
(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
(11)
In polysaccharides, monosaccharaides are joined by
[A]
Peptide bond
[B]
Glucose bond
[C]
Glycosidic bond
[D]
Covalent bond
(12)
Oligosaccharides linked to proteins are called
[A]
Glycoproteins
[B]
Glycolipids
[C]
Galactosides
[D]
Ganglioside
(13)
Which of the following is a reducing sugar
[A]
Glucose
[B]
Dihydroxyacetone
[C]
Erythulose
[D]
None of these
(14)
Smallest carbohydrates are trioses. Which of the following is a triose?
[A]
Glucose
[B]
Ribulose
[C]
Ribose
[D]
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
(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
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