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