Human Nutrition and Health MCQs

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1. : Which nutrient is the main source of energy for the body?





2. : Which vitamin is essential for blood clotting?





3. : The deficiency of iodine causes:





4. : Which mineral helps in the formation of strong bones and teeth?





5. : The energy value of food is measured in:





6. : Which vitamin is also known as ascorbic acid?





7. : Proteins are made up of:





8. : The main function of hemoglobin is to:





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





10. : Pellagra is caused by the deficiency of:





11. : Which nutrient is needed in the largest amount by the human body?





12. : Iron deficiency in humans leads to:





13. : Which of the following is a rich source of Vitamin D?





14. : The main function of carbohydrates in the body is to:





15. : Night blindness is caused due to deficiency of:





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





17. : Fats are important because they:





18. : Which mineral is essential for red blood cell formation?





19. : Which vitamin prevents scurvy?





20. : The body stores excess carbohydrates as:





21. : Which nutrient helps in repairing body tissues?





22. : Rickets is a disease caused by deficiency of:





23. : The daily requirement of protein for an average adult is approximately:





24. : Which of the following nutrients helps in maintaining fluid balance?





25. : The richest dietary source of carbohydrates is:





26. : Obesity results from:





27. : Which vitamin is synthesized by intestinal bacteria?





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





29. : Which of the following foods is a good source of Omega-3 fatty acids?





30. : The basal metabolic rate (BMR) depends mainly on:





31. : Which hormone regulates blood glucose levels?





32. : Excess sodium intake can lead to:





33. : The deficiency of Vitamin B₁ causes:





34. : What is the main function of Vitamin D?





35. : Which of the following foods is richest in protein?





36. : A BMI above 30 indicates:





37. : Which nutrient is the body’s last energy reserve?





38. : Which of the following vitamins helps in calcium absorption?





39. : Which mineral is necessary for thyroid hormone synthesis?





40. : A diet deficient in Vitamin C leads to:





41. : Which vitamin acts as an antioxidant?





42. : What is the main function of roughage in diet?





43. : Protein-energy malnutrition in children is known as:





44. : The best natural source of Vitamin C is:





45. : The daily water intake requirement for adults is approximately:





46. : Which organ stores excess glucose as glycogen?





47. : Which of the following is not a micronutrient?





48. : What is the caloric value of 1 gram of fat?





49. : Which nutrient deficiency leads to weak immunity?





50. : Balanced diet means:





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