1. Which nutrient is the primary source of energy for the human body?
A) Proteins
B) Fats
C) Carbohydrates
D) Vitamins
Answer: C) Carbohydrates
2. Which vitamin is essential for blood clotting?
A) Vitamin A
B) Vitamin K
C) Vitamin D
D) Vitamin C
Answer: B) Vitamin K
3. Which mineral is important for strong bones and teeth?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: B) Calcium
4. What is the main function of proteins in the body?
A) Energy storage
B) Growth and repair of tissues
C) Regulation of body temperature
D) Water balance
Answer: B) Growth and repair of tissues
5. Which nutrient helps in absorbing fat-soluble vitamins?
A) Carbohydrates
B) Proteins
C) Fats
D) Minerals
Answer: C) Fats
6. A deficiency of vitamin C can lead to which disease?
A) Rickets
B) Scurvy
C) Anemia
D) Goiter
Answer: B) Scurvy
7. Which vitamin is produced in the skin when exposed to sunlight?
A) Vitamin A
B) Vitamin B12
C) Vitamin D
D) Vitamin E
Answer: C) Vitamin D
8. Which of the following is a macronutrient?
A) Iron
B) Vitamin B
C) Carbohydrates
D) Zinc
Answer: C) Carbohydrates
9. Which food is rich in iron?
A) Milk
B) Spinach
C) Sugar
D) Butter
Answer: B) Spinach
10. Which nutrient is most important for brain development?
A) Proteins
B) Fats
C) Carbohydrates
D) Minerals
Answer: B) Fats
11. What type of diet provides all essential nutrients in the required amount?
A) Vegetarian diet
B) Balanced diet
C) High-protein diet
D) High-carbohydrate diet
Answer: B) Balanced diet
12. Which mineral is essential for transporting oxygen in the blood?
A) Calcium
B) Sodium
C) Iron
D) Magnesium
Answer: C) Iron
13. Deficiency of iodine can lead to which disorder?
A) Scurvy
B) Goiter
C) Rickets
D) Diabetes
Answer: B) Goiter
14. Which vitamin is necessary for healthy vision?
A) Vitamin A
B) Vitamin B12
C) Vitamin C
D) Vitamin D
Answer: A) Vitamin A
15. Which nutrient helps in regulating body temperature and acts as a solvent in the body?
A) Carbohydrates
B) Proteins
C) Water
D) Fats
Answer: C) Water
16. Whole grains are a good source of which nutrient?
A) Proteins
B) Fiber
C) Vitamin D
D) Calcium
Answer: B) Fiber
17. Which of the following is a source of complete protein?
A) Rice
B) Lentils
C) Eggs
D) Wheat
Answer: C) Eggs
18. Overconsumption of which nutrient can lead to obesity?
A) Proteins
B) Carbohydrates
C) Fats
D) Vitamins
Answer: C) Fats
19. Which nutrient deficiency causes rickets in children?
A) Vitamin C
B) Vitamin D
C) Iron
D) Calcium
Answer: B) Vitamin D
20. Which of the following is NOT a function of water in the body?
A) Transport of nutrients
B) Lubrication of joints
C) Providing energy
D) Temperature regulation
Answer: C) Providing energy
21. Which vitamin is important for wound healing and maintaining healthy skin?
A) Vitamin C
B) Vitamin A
C) Vitamin E
D) Vitamin K
Answer: A) Vitamin C
22. Which of the following foods is rich in omega-3 fatty acids?
A) Butter
B) Fish
C) Rice
D) Potato
Answer: B) Fish
23. Which nutrient is required in the largest amount by the human body?
A) Vitamins
B) Minerals
C) Water
D) Carbohydrates
Answer: D) Carbohydrates
24. Which type of carbohydrate is digested slowly and provides long-lasting energy?
A) Simple sugar
B) Starch
C) Glucose
D) Fructose
Answer: B) Starch
25. Malnutrition due to lack of proteins is called:
A) Scurvy
B) Kwashiorkor
C) Rickets
D) Anemia
Answer: B) Kwashiorkor
26. Which vitamin is essential for red blood cell formation?
A) Vitamin B12
B) Vitamin A
C) Vitamin C
D) Vitamin D
Answer: A) Vitamin B12
27. Which mineral helps in maintaining water and electrolyte balance in the body?
A) Sodium
B) Iron
C) Calcium
D) Iodine
Answer: A) Sodium
28. Which food is a rich source of dietary fiber?
A) White rice
B) Apple
C) Meat
D) Cheese
Answer: B) Apple
29. Which of the following is NOT a fat-soluble vitamin?
A) Vitamin A
B) Vitamin D
C) Vitamin C
D) Vitamin E
Answer: C) Vitamin C
30. A balanced diet should include which of the following in appropriate amounts?
A) Carbohydrates, proteins, fats, vitamins, minerals, and water
B) Only carbohydrates and proteins
C) Only fats and minerals
D) Only vitamins and water
Answer: A) Carbohydrates, proteins, fats, vitamins, minerals, and water