Carbohydrates /48 Carbohydrate Basics Carbohydrates are hydrates of carbon and simplest energy-producing biomolecules 1 / 48 1. Blood group antigens are: Proteins Carbohydrates Vitamins Lipids 2 / 48 2. Glycoproteins contain: Lipid + Protein DNA + Protein Carbohydrate + Protein Carbohydrate + Lipid 3 / 48 3. Glycogen is highly branched to: Increase strength Increase solubility Reduce digestion Prevent hydrolysis 4 / 48 4. Glycosidic bond formation involves: Oxidation Dehydration reaction Reduction Hydrolysis 5 / 48 5. Structural role in plants is performed by: Fructose Glycogen Cellulose Starch 6 / 48 6. The anomeric carbon is: Terminal carbon The carbonyl carbon Carboxyl carbon Methyl carbon 7 / 48 7. Which sugar is present in DNA? Deoxyribose Glucose Ribulose Ribose 8 / 48 8. Glucose in blood is mainly in: Ring form Crystalline form Linear form Polymer form 9 / 48 9. 1 gram of carbohydrate gives: 2 kcal 4 kcal 7 kcal 9 kcal 10 / 48 10. The storage carbohydrate in plants is: Glycogen Sucrose Cellulose Starch 11 / 48 11. Humans cannot digest cellulose because: It is insoluble Lack of cellulase enzyme It is toxic It is a lipid 12 / 48 12. Which is a reducing sugar? Starch Sucrose Lactose Cellulose 13 / 48 13. The bond between two monosaccharides is called: Peptide bond Hydrogen bond Ester bond Glycosidic bond 14 / 48 14. Chitin is present in: Fungal cell wall Bacteria Humans Plants 15 / 48 15. Lactose is composed of: Glucose + Fructose Glucose + Galactose Fructose + Galactose Ribose + Glucose 16 / 48 16. Carbohydrates are chemically defined as: Polyhydroxy aldehydes or ketones Steroids Amino acids Fatty acids 17 / 48 17. The sweetest natural sugar is: Fructose Maltose Glucose Lactose 18 / 48 18. Which is a homopolysaccharide? Glycogen Lactose Sucrose Maltose 19 / 48 19. Glycosaminoglycans are: Vitamins Structural polysaccharides Proteins Storage sugars 20 / 48 20. α and β forms of glucose are called: Epimers Anomers Enantiomers Isomers 21 / 48 21. Fructose is a: Aldotriose Ketohexose Aldohexose Ketopentose 22 / 48 22. Deoxyribose differs from ribose by: Missing oxygen at C2 No hydroxyl groups Extra oxygen Extra carbon 23 / 48 23. Maltose consists of: Galactose + Glucose Glucose + Fructose Fructose + Fructose Glucose + Glucose 24 / 48 24. Mutarotation occurs due to: Hydrolysis Interconversion of anomers Peptide bond formation B. C. D. Polymerization 25 / 48 25. Carbohydrates are synthesized in plants by: Beta oxidation TCA cycle Glycolysis B. C. D. Photosynthesis 26 / 48 26. Glucose is classified as a: Aldopentose Ketohexose Aldohexose Ketose 27 / 48 27. The main function of cellulose is: Energy storage Enzyme activation Hormone synthesis Structural support 28 / 48 28. Carbohydrates attached to lipids form: Proteoglycans Enzymes Glycolipids Glycoproteins 29 / 48 29. Starch is digested by: Trypsin Pepsin Lipase Amylase 30 / 48 30. Ribose is found in: DNA Cellulose RNA Glycogen 31 / 48 31. The simplest carbohydrate is: Ribose Glyceraldehyde Glucose B. C. D. Sucrose 32 / 48 32. The storage carbohydrate in animals is: Glycogen Cellulose Starch Inulin 33 / 48 33. Which is a heteropolysaccharide? Starch Glycogen Hyaluronic acid Cellulose 34 / 48 34. Lactose intolerance is due to deficiency of: Maltase Sucrase Amylase Lactase 35 / 48 35. D- and L- forms differ in: Optical configuration Molecular weight Functional group Carbon number 36 / 48 36. Which carbohydrate is part of ATP? Fructose Glucose Galactose Ribose 37 / 48 37. Glucose and galactose are: Isomers Peptides Polymers Epimers 38 / 48 38. Glycogen has which type of branching? β(1→6) α(1→2) α(1→6) β(1→4) 39 / 48 39. Epimers differ in configuration at: All carbons One carbon Two carbons No carbon 40 / 48 40. Which type of bonds present in Cellulose? α(1→2) linkages α(1→4) linkages β(1→2) linkages β(1→4) linkages 41 / 48 41. Haworth projection represents: Cyclic structure DNA helix 3D protein Linear structure 42 / 48 42. Cellulose is made of: Fructose Ribose α-glucose β-glucose 43 / 48 43. Hyaluronic acid is found in: Blood Connective tissue Liver Brain 44 / 48 44. Iodine test gives blue color with: Cellulose Lactose Glycogen Starch 45 / 48 45. Which carbohydrate forms dietary fiber? Fructose Glucose Sucrose Cellulose 46 / 48 46. Major function of carbohydrates is: Enzyme inhibition Oxygen transport Hormone synthesis Energy production 47 / 48 47. The empirical formula of carbohydrates is commonly: C₆H₁₂O₆ C₆H₆ CH₂O C₂H₄O₂ 48 / 48 48. Sucrose is a: Homopolysaccharide Reducing sugar Polysaccharide Non-reducing sugar Your score is 0% Restart quiz