Food Components and Their Functions MCQs

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1. : The major components of food are:





2. : The main function of carbohydrates in the diet is to:





3. : The energy yield from 1 gram of carbohydrate is:





4. : The primary function of proteins is:





5. : Fats provide how many kilocalories per gram?





6. : The basic unit of proteins is:





7. : The main storage form of carbohydrates in the human body is:





8. : Which component helps in maintaining water balance in the body?





9. : The main function of dietary fiber is to:





10. : Which of the following is a simple carbohydrate?





11. : Lipids are composed mainly of:





12. : The building blocks of fats are:





13. : Which type of fatty acid has no double bonds?





14. : The function of vitamins is mainly to:





15. : The vitamin essential for good vision is:





16. : Vitamin C is also known as:





17. : The main function of vitamin D is to:





18. : Vitamin K is important for:





19. : Minerals are classified as:





20. : Calcium is necessary for:





21. : Iron is essential for:





22. : Sodium and potassium regulate:





23. : The main function of water in the body is to:





24. : Proteins can act as:





25. : The indigestible polysaccharide in plant cell walls is:





26. : Which of the following is a disaccharide?





27. : The function of enzymes in food is to:





28. : The term “essential amino acids” refers to:





29. : The main storage form of fat in animals is:





30. : The component responsible for the flavor of butter is:





31. : The most abundant mineral in the human body is:





32. : Antioxidant vitamins include:





33. : Which component provides structural support in plants?





34. : The main function of phospholipids is:





35. : Deficiency of protein leads to:





36. : Which nutrient helps regulate metabolism as coenzymes?





37. : The sweetness in fruits is mainly due to:





38. : Cholesterol is found only in:





39. : Omega-3 fatty acids are beneficial for:





40. : The main function of starch in food is:





41. : The body stores excess glucose as:





42. : Minerals required in very small quantities are called:





43. : Which of the following is a water-soluble vitamin?





44. : The major component of blood plasma is:





45. : Protein quality depends on:





46. : The main function of dietary fat is:





47. : The fat-soluble vitamins are:





48. : The mineral necessary for thyroid hormone synthesis is:





49. : Which nutrient helps maintain osmotic pressure in cells?





50. : The main function of food components is to:





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