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CARBOHYDRATES AND CARBOHYDRATE METABOLISM- Part 1
See all quizzes of CARBOHYDRATES AND CARBOHYDRATE METABOLISM- Part 1 here:
1. The general formula of monosaccharides
is
(A) CnH2nOn (B) C2nH2On
(C) CnH2O2n (D) CnH2nO2n
2. The general formula of polysaccharides
is
(A) (C6H10O5)n (B) (C6H12O5)n
(C) (C6H10O6)n (D) (C6H10O6)n
3. The aldose sugar is
(A) Glycerose (B) Ribulose
(C) Erythrulose (D) Dihydoxyacetone
4. A triose sugar is
(A) Glycerose (B) Ribose
(C) Erythrose (D) Fructose
5. A pentose sugar is
(A) Dihydroxyacetone (B) Ribulose
(C) Erythrose (D) Glucose
6. The pentose sugar present mainly in the
heart muscle is
(A) Lyxose (B) Ribose
(C) Arabinose (D) Xylose
7. Polysaccharides are
(A) Polymers (B) Acids
(C) Proteins (D) Oils
8. The number of isomers of glucose is
(A) 2 (B) 4
(C) 8 (D) 16
9. Two sugars which differ from one another
only in configuration around a single
carbon atom are termed
(A) Epimers (B) Anomers
(C) Optical isomers (D) Stereoisomers
10. Isomers differing as a result of variations
in configuration of the —OH and —H on
carbon atoms 2, 3 and 4 of glucose are
known as
(A) Epimers (B) Anomers
(C) Optical isomers (D) Steroisomers
11. The most important epimer of glucose is
(A) Galactose (B) Fructose
(C) Arabinose (D) Xylose
12. α-D-glucose and β -D-glucose are
(A) Stereoisomers (B) Epimers
(C) Anomers (D) Keto-aldo pairs
13. α-D-glucose + 1120 → + 52.50 ← + 190 β-
D-glucose for glucose above represents
(A) Optical isomerism (B) Mutarotation
(C) Epimerisation (D) D and L isomerism
14. Compounds having the same structural
formula but differing in spatial
configuration are known as
(A) Stereoisomers (B) Anomers
(C) Optical isomers (D) Epimers
15. In glucose the orientation of the —H and
—OH groups around the carbon atom 5
adjacent to the terminal primary alcohol
carbon determines
(A) D or L series
(B) Dextro or levorotatory
(C) α and β anomers
(D) Epimers
16. The carbohydrate of the blood group
substances is
(A) Sucrose (B) Fucose
(C) Arabinose (D) Maltose
17. Erythromycin contains
(A) Dimethyl amino sugar
(B) Trimethyl amino sugar
(C) Sterol and sugar
(D) Glycerol and sugar
18. A sugar alcohol is
(A) Mannitol (B) Trehalose
(C) Xylulose (D) Arabinose
19. The major sugar of insect hemolymph is
(A) Glycogen (B) Pectin
(C) Trehalose (D) Sucrose
20. The sugar found in DNA is
(A) Xylose (B) Ribose
(C) Deoxyribose (D) Ribulose
21. The sugar found in RNA is
(A) Ribose (B) Deoxyribose
(C) Ribulose (D) Erythrose
22. The sugar found in milk is
(A) Galactose (B) Glucose
(C) Fructose (D) Lactose
23. Invert sugar is
(A) Lactose (B) Sucrose
(C) Hydrolytic products of sucrose
(D) Fructose
24. Sucrose consists of
(A) Glucose + glucose
(B) Glucose + fructose
(C) Glucose + galactose
(D) Glucose + mannose
25. The monosaccharide units are linked by
1 → 4 glycosidic linkage in
(A) Maltose (B) Sucrose
(C) Cellulose (D) Cellobiose
26. Which of the following is a non-reducing
sugar?
(A) Isomaltose (B) Maltose
(C) Lactose (D) Trehalose
27. Which of the following is a reducing
sugar?
(A) Sucrose (B) Trehalose
(C) Isomaltose (D) Agar
28. A dissaccharide formed by 1,1-glycosidic
linkage between their monosaccharide
units is
(A) Lactose (B) Maltose
(C) Trehalose (D) Sucrose
29. A dissaccharide formed by 1,1-glycosidic
linkage between their monosaccharide
units is
(A) Lactose (B) Maltose
(C) Trehalose (D) Sucrose
30. Mutarotation refers to change in
(A) pH (B) Optical rotation
(C) Conductance (D) Chemical properties
