- Which of the following is a water-soluble vitamin?
A) Vitamin A
B) Vitamin C
C) Vitamin D
D) Vitamin K
Answer: B – Vitamin C
- What is the main function of carbohydrates in the body?
A) Energy storage
B) Bone health
C) Hormone production
D) DNA synthesis
Answer: A – Energy storage
- Which mineral is essential for oxygen transport in the blood?
A) Calcium
B) Iron
C) Magnesium
D) Zinc
Answer: B – Iron
- Which of the following is considered a macronutrient?
A) Vitamin C
B) Calcium
C) Carbohydrates
D) Iron
Answer: C – Carbohydrates
- Which vitamin deficiency causes scurvy?
A) Vitamin D
B) Vitamin C
C) Vitamin B12
D) Vitamin A
Answer: B – Vitamin C
- How many essential amino acids are there?
A) 8
B) 9
C) 10
D) 11
Answer: B – 9
- What is the main storage form of glucose in the body?
A) Starch
B) Glycogen
C) Cellulose
D) Glucagon
Answer: B – Glycogen
- Which vitamin is synthesized in the skin when exposed to sunlight?
A) Vitamin A
B) Vitamin D
C) Vitamin C
D) Vitamin E
Answer: B – Vitamin D
- The process by which food is broken down into smaller components is called:
A) Metabolism
B) Absorption
C) Digestion
D) Excretion
Answer: C – Digestion
- Which mineral is necessary for thyroid hormone production?
A) Calcium
B) Iodine
C) Potassium
D) Phosphorus
Answer: B – Iodine
- Anemia is often caused by a deficiency of:
A) Calcium
B) Iron
C) Vitamin C
D) Sodium
Answer: B – Iron
- The basal metabolic rate (BMR) is the energy required for:
A) Physical activity
B) Digestion
C) Resting bodily functions
D) Growth
Answer: C – Resting bodily functions
- Which of the following is a disaccharide?
A) Glucose
B) Fructose
C) Sucrose
D) Galactose
Answer: C – Sucrose
- Kwashiorkor is a deficiency disease primarily caused by a lack of:
A) Vitamin A
B) Protein
C) Iron
D) Fat
Answer: B – Protein
- Dietary fiber is important for:
A) Bone health
B) Energy storage
C) Digestive health
D) Muscle growth
Answer: C – Digestive health
- Which vitamin is essential for blood clotting?
A) Vitamin A
B) Vitamin D
C) Vitamin E
D) Vitamin K
Answer: D – Vitamin K
- Which nutrient helps in wound healing and immune function?
A) Vitamin A
B) Iron
C) Zinc
D) Calcium
Answer: C – Zinc
- The energy content in 1 gram of fat is:
A) 4 kcal
B) 7 kcal
C) 9 kcal
D) 12 kcal
Answer: C – 9 kcal
- The primary function of Vitamin A is:
A) Vision
B) Bone strength
C) Muscle growth
D) Blood clotting
Answer: A – Vision
- The main source of energy during prolonged, low-intensity exercise is:
A) Protein
B) Fat
C) Glucose
D) Vitamins
Answer: B – Fat
- Which vitamin is primarily responsible for bone health?
A) Vitamin C
B) Vitamin D
C) Vitamin E
D) Vitamin B12
Answer: B – Vitamin D
- Which of the following is a simple sugar?
A) Starch
B) Lactose
C) Glucose
D) Fiber
Answer: C – Glucose
- Which of the following is a fat-soluble vitamin?
A) Vitamin B6
B) Vitamin C
C) Vitamin D
D) Vitamin B12
Answer: C – Vitamin D
- Which mineral helps to maintain fluid balance in the body?
A) Calcium
B) Potassium
C) Zinc
D) Iron
Answer: B – Potassium
- Which nutrient acts as an antioxidant?
A) Vitamin D
B) Vitamin K
C) Vitamin C
D) Vitamin B12
Answer: C – Vitamin C
- Which macronutrient is the primary source of energy for high-intensity exercise?
A) Carbohydrates
B) Protein
C) Fats
D) Fiber
Answer: A – Carbohydrates
- Which vitamin plays a key role in DNA synthesis?
A) Vitamin B12
B) Vitamin D
C) Vitamin E
D) Vitamin C
Answer: A – Vitamin B12
- Which mineral is crucial for muscle contraction?
A) Iron
B) Calcium
C) Phosphorus
D) Zinc
Answer: B – Calcium
- Which of the following is a source of complete protein?
A) Beans
B) Rice
C) Eggs
D) Nuts
Answer: C – Eggs
- What is the role of fiber in the diet?
A) Provides energy
B) Builds muscle
C) Supports digestion
D) Increases fat storage
Answer: C – Supports digestion