Nutrition and basic health concepts - Question Bank

1. Which vitamin is essential for cell division and DNA synthesis?
A) Vitamin B6
B) Vitamin B12
C) Folic Acid (Vitamin B9)
D) Pantothenic Acid (Vitamin B5)
2. The recommended daily intake of water for an adult is approximately:
A) 1-2 liters
B) 2-3 liters
C) 4-5 liters
D) 6-7 liters
3. Which of the following is NOT a major function of fats?
A) Energy storage
B) Insulation
C) Transport of water-soluble vitamins
D) Protection of organs
4. A diet lacking sufficient Vitamin B2 (Riboflavin) can result in:
A) Cracked lips and tongue (ariboflavinosis)
B) Night blindness
C) Anemia
D) Poor wound healing
5. Which vitamin is synthesized in the skin upon exposure to UV radiation?
A) Vitamin K
B) Vitamin E
C) Vitamin D
D) Vitamin C
6. The process of breaking down food into absorbable molecules is called:
A) Metabolism
B) Anabolism
C) Catabolism
D) Digestion
7. Which of the following is a source of complete protein, containing all essential amino acids?
A) Beans
B) Nuts
C) Eggs
D) Grains
8. Which mineral is crucial for oxygen transport in the blood?
A) Copper
B) Zinc
C) Manganese
D) Iron
9. A deficiency in Vitamin B1 (Thiamine) can lead to a neurological disorder known as:
A) Pellagra
B) Scurvy
C) Beriberi
D) Rickets
10. The building blocks of carbohydrates are:
A) Amino acids
B) Fatty acids
C) Monosaccharides
D) Nucleotides
11. Which of the following is a function of Vitamin A?
A) Blood clotting
B) Energy metabolism
C) Vision and immune function
D) Bone formation
12. What is the primary site for the absorption of most nutrients?
A) Stomach
B) Large intestine
C) Small intestine
D) Esophagus
13. Which nutrient is primarily responsible for growth and repair of tissues?
A) Carbohydrates
B) Fats
C) Proteins
D) Vitamins
14. Which enzyme, found in saliva, begins the digestion of carbohydrates?
A) Pepsin
B) Amylase
C) Lipase
D) Trypsin
15. Pernicious anemia is associated with a deficiency of which vitamin?
A) Folic acid
B) Vitamin B6
C) Vitamin B12
D) Vitamin K
16. Which of the following is a function of minerals in the body?
A) Provide energy
B) Build muscle tissue
C) Aid in nerve transmission and muscle contraction
D) Store fat
17. A lack of iodine during pregnancy can lead to developmental issues in the child, including:
A) Cystic fibrosis
B) Down syndrome
C) Congenital hypothyroidism (cretinism)
D) Sickle cell anemia
18. Which of the following is a non-essential nutrient?
A) Water
B) Vitamin C
C) Glucose
D) An amino acid that the body can synthesize
19. The process by which digested food molecules pass into the blood or lymph is called:
A) Digestion
B) Absorption
C) Assimilation
D) Egestion
20. Which vitamin is known as tocopherol?
A) Vitamin A
B) Vitamin D
C) Vitamin E
D) Vitamin K
21. Goiter, an enlargement of the thyroid gland, is typically caused by a deficiency of:
A) Iron
B) Iodine
C) Selenium
D) Fluoride
22. Which nutrient helps in the formation of hormones and cell membranes?
A) Carbohydrates
B) Proteins
C) Fats
D) Fiber
23. A balanced diet should include adequate amounts of:
A) Only carbohydrates and proteins
B) Only fats and vitamins
C) Carbohydrates, proteins, fats, vitamins, minerals, and water
D) Only processed foods for convenience
24. Which part of the digestive system is primarily responsible for the absorption of water and electrolytes?
A) Small intestine
B) Stomach
C) Large intestine
D) Esophagus
25. Rickets, a condition causing soft and deformed bones in children, is primarily due to a deficiency of:
A) Calcium
B) Phosphorus
C) Vitamin D
D) Vitamin C
26. Which of the following is a function of vitamins?
A) Primary energy source
B) Building blocks for tissues
C) Regulation of metabolic processes
D) Storage of energy
27. Essential amino acids are those that:
A) Can be synthesized by the body
B) Must be obtained from the diet
C) Are not required for protein synthesis
D) Are produced during digestion
28. Which mineral is vital for maintaining fluid balance and nerve function?
A) Iron
B) Potassium
C) Zinc
D) Copper
29. Pellagra, a disease characterized by dermatitis, diarrhea, and dementia, is caused by a deficiency of:
A) Vitamin B1
B) Vitamin B2
C) Vitamin B3 (Niacin)
D) Vitamin B12
30. Which of the following is a good source of dietary fiber?
A) White bread
B) Refined sugar
C) Whole grains
D) Lean meat
31. The process of breaking down food mechanically and chemically in the digestive system is known as:
A) Absorption
B) Assimilation
C) Digestion
D) Metabolism
32. Which type of nutrient provides the most concentrated source of energy per gram?
A) Carbohydrates
B) Proteins
C) Fats
D) Vitamins
33. A deficiency of Vitamin C leads to:
A) Rickets
B) Scurvy
C) Pellagra
D) Goiter
34. What is the main function of water in the body?
A) Energy production
B) Building muscle
C) Regulating body temperature and transporting nutrients
D) Synthesizing hormones
35. Kwashiorkor is a severe form of malnutrition caused by a deficiency in:
A) Calories
B) Carbohydrates
C) Proteins
D) Vitamins
36. Which of the following is NOT a major source of carbohydrates?
A) Bread
B) Rice
C) Fruits
D) Eggs
37. The process by which the body breaks down food into smaller molecules that can be absorbed is called:
A) Respiration
B) Circulation
C) Digestion
D) Excretion
38. Which vitamin is essential for blood clotting?
A) Vitamin E
B) Vitamin K
C) Vitamin B1
D) Vitamin D
39. Osteoporosis, a condition characterized by weakened bones, is often linked to a deficiency in which mineral?
A) Magnesium
B) Sodium
C) Calcium
D) Iron
40. Which nutrient is the body's preferred source of immediate energy?
A) Protein
B) Fat
C) Carbohydrate
D) Fiber
41. A lack of Vitamin A in the diet can lead to:
A) Pellagra
B) Night blindness
C) Pernicious anemia
D) Scurvy
42. Which of the following is a fat-soluble vitamin?
A) Ascorbic acid
B) Thiamine
C) Cobalamin
D) Retinol
43. What is the primary role of dietary fiber in the human body?
A) Provide concentrated energy
B) Aid in digestion and prevent constipation
C) Build and repair body tissues
D) Act as a source of essential fatty acids
44. Beri-beri is a disease caused by the deficiency of which vitamin?
A) Vitamin B1 (Thiamine)
B) Vitamin B2 (Riboflavin)
C) Vitamin B6 (Pyridoxine)
D) Vitamin B12 (Cobalamin)
45. Which mineral is essential for the proper functioning of the thyroid gland and is commonly found in iodized salt?
A) Calcium
B) Potassium
C) Iodine
D) Zinc
46. Fats are important for:
A) Immediate energy source only
B) Insulation, organ protection, and absorption of fat-soluble vitamins
C) Building muscle mass
D) Synthesizing red blood cells
47. Which vitamin is water-soluble and plays a vital role in collagen synthesis and antioxidant activity?
A) Vitamin E
B) Vitamin B12
C) Vitamin C
D) Vitamin A
48. A deficiency in iron can lead to which of the following conditions?
A) Scurvy
B) Rickets
C) Anemia
D) Goiter
49. Which nutrient is crucial for the absorption of calcium and is synthesized in the skin upon exposure to sunlight?
A) Vitamin A
B) Vitamin C
C) Vitamin D
D) Vitamin K
50. Proteins are essential for the body primarily because they are made up of:
A) Fatty acids
B) Monosaccharides
C) Amino acids
D) Nucleotides