1. Which of the following is a water-soluble vitamin?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin E
Answer: B. Vitamin C
Rationale: Water-soluble vitamins, like vitamin C and the B
vitamins, dissolve in water and are not stored in large amounts in
the body.
2. Which nutrient is most effective for maintaining hydration?
A. Sodium
B. Potassium
C. Water
D. Magnesium
Answer: C. Water
Rationale: Water is essential for maintaining hydration, regulating
body temperature, and supporting physiological functions.
3. Which nutrient is most important for preventing neural
tube defects during pregnancy?
A. Vitamin D
B. Folate (Vitamin B9)
C. Calcium
D. Iron
Answer: B. Folate (Vitamin B9)
Rationale: Adequate folate intake before and during early pregnancy
prevents neural tube defects in the developing fetus.
4. What is the primary benefit of consuming whole grains over
refined grains?
A. More protein
B. Higher fiber content
C. Better flavor
D. Easier digestion
Answer: B. Higher fiber content
Rationale: Whole grains retain the bran and germ, providing more
, fiber, vitamins, and minerals compared to refined grains.
5. Which vitamin is essential for calcium absorption in the
body?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer: C. Vitamin D
Rationale: Vitamin D facilitates the absorption of calcium from the
intestine, which is crucial for bone health.
6. What is the most common cause of nutritional anemia
worldwide?
A. Vitamin D deficiency
B. Iron deficiency
C. Protein deficiency
D. Calcium deficiency
Answer: B. Iron deficiency
Rationale: Iron-deficiency anemia occurs when there is insufficient
iron to produce hemoglobin, the oxygen-carrying component of red
blood cells.
7. Which mineral is most important for oxygen transport in the
blood?
A. Zinc
B. Iron
C. Magnesium
D. Potassium
Answer: B. Iron
Rationale: Iron is a key component of hemoglobin, which binds to
oxygen in red blood cells and transports it throughout the body.
8. Which food is a rich source of vitamin K?
A. Spinach
B. Oranges
C. Eggs
D. Cheese
Answer: A. Spinach
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin E
Answer: B. Vitamin C
Rationale: Water-soluble vitamins, like vitamin C and the B
vitamins, dissolve in water and are not stored in large amounts in
the body.
2. Which nutrient is most effective for maintaining hydration?
A. Sodium
B. Potassium
C. Water
D. Magnesium
Answer: C. Water
Rationale: Water is essential for maintaining hydration, regulating
body temperature, and supporting physiological functions.
3. Which nutrient is most important for preventing neural
tube defects during pregnancy?
A. Vitamin D
B. Folate (Vitamin B9)
C. Calcium
D. Iron
Answer: B. Folate (Vitamin B9)
Rationale: Adequate folate intake before and during early pregnancy
prevents neural tube defects in the developing fetus.
4. What is the primary benefit of consuming whole grains over
refined grains?
A. More protein
B. Higher fiber content
C. Better flavor
D. Easier digestion
Answer: B. Higher fiber content
Rationale: Whole grains retain the bran and germ, providing more
, fiber, vitamins, and minerals compared to refined grains.
5. Which vitamin is essential for calcium absorption in the
body?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer: C. Vitamin D
Rationale: Vitamin D facilitates the absorption of calcium from the
intestine, which is crucial for bone health.
6. What is the most common cause of nutritional anemia
worldwide?
A. Vitamin D deficiency
B. Iron deficiency
C. Protein deficiency
D. Calcium deficiency
Answer: B. Iron deficiency
Rationale: Iron-deficiency anemia occurs when there is insufficient
iron to produce hemoglobin, the oxygen-carrying component of red
blood cells.
7. Which mineral is most important for oxygen transport in the
blood?
A. Zinc
B. Iron
C. Magnesium
D. Potassium
Answer: B. Iron
Rationale: Iron is a key component of hemoglobin, which binds to
oxygen in red blood cells and transports it throughout the body.
8. Which food is a rich source of vitamin K?
A. Spinach
B. Oranges
C. Eggs
D. Cheese
Answer: A. Spinach
