Biochemistry of Nutrition MCQs

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1. The main energy currency of the cell is:




2. Which vitamin acts as a coenzyme in carbohydrate metabolism?




3. The building blocks of proteins are:




4. The main site of glycolysis in the cell is the:




5. The process of glucose formation from non-carbohydrate sources is called:




6. Which element is a component of all amino acids except glycine?




7. Which enzyme breaks down starch into maltose?




8. The process by which fats are broken down to produce energy is called:




9. Which vitamin is known as niacin?




10. Which mineral is essential for hemoglobin synthesis?




11. The end product of protein digestion is:




12. Enzymes are chemically:




13. Which of the following is a fat-soluble vitamin?




14. The main function of carbohydrates is to:




15. The process of protein synthesis occurs in the:




16. Vitamin C is also known as:




17. Which hormone regulates blood sugar levels?




18. Deficiency of Vitamin D causes:




19. Fats are stored in the human body mainly as:




20. The main nitrogenous waste product in humans is:




21. The enzyme that breaks proteins into peptides is:




22. Which coenzyme is derived from Vitamin B2?




23. Which fatty acid is essential for humans?




24. The metabolic pathway common to both aerobic and anaerobic respiration is:




25. The process of conversion of glucose into glycogen is called:




26. Which vitamin acts as an antioxidant?




27. The deficiency of niacin causes:




28. The end product of fat metabolism is:




29. Which of the following is a reducing sugar?




30. Which mineral helps in the activation of enzymes?




31. The enzyme responsible for fat digestion in the small intestine is:




32. The main function of Vitamin K is:




33. Protein deficiency in children leads to:




34. The main site of fatty acid synthesis is:




35. The storage form of carbohydrates in animals is:




36. Which vitamin deficiency causes scurvy?




37. Which mineral is needed for thyroid hormone synthesis?




38. Which compound acts as a carrier of acyl groups in metabolism?




39. The Krebs cycle takes place in the:




40. The deficiency of Vitamin A leads to:




41. The main structural protein in the human body is:




42. The first step of glycolysis is catalyzed by:




43. Which vitamin deficiency can cause megaloblastic anemia?




44. The process of removal of an amino group from an amino acid is called:




45. Which of the following is not a carbohydrate?




46. The enzyme that digests lactose is:




47. The main function of the liver in metabolism is:




48. The energy yield from one molecule of glucose in aerobic respiration is approximately:




49. The deficiency of folic acid leads to:




50. Which of the following is a macronutrient?




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