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