1. 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.
2. What is the primary function of insulin in the body?
A. Increase blood sugar levels
B. Store glycogen in muscles
C. Lower blood sugar levels
D. Convert fat to energy
Answer: C. Lower blood sugar levels
Rationale: Insulin helps cells absorb glucose from the blood for
energy or storage, reducing blood sugar levels.
3. Which of the following is a rich source of dietary
potassium?
A. Bread
B. Bananas
C. Cheese
D. Butter
Answer: B. Bananas
Rationale: Bananas are well-known for their high potassium
content, which helps regulate blood pressure and muscle function.
4. What condition results from excessive caloric intake over
time?
A. Malnutrition
B. Obesity
C. Anemia
D. Osteoporosis
Answer: B. Obesity
Rationale: Consuming more calories than the body needs leads to
, weight gain and, over time, obesity.
5. Which of these foods is a good source of zinc?
A. Whole grains
B. Oysters
C. Potatoes
D. Apples
Answer: B. Oysters
Rationale: Oysters are one of the richest sources of zinc, a mineral
vital for immune function and wound healing.
6. Which vitamin deficiency causes rickets in children?
A. Vitamin B
B. Vitamin C
C. Vitamin D
D. Vitamin E
Answer: C. Vitamin D
Rationale: A lack of vitamin D impairs calcium absorption, leading
to weak or deformed bones in children, known as rickets.
7. What is the primary source of sodium in the diet?
A. Fruits
B. Processed foods
C. Dairy products
D. Grains
Answer: B. Processed foods
Rationale: Processed foods are typically high in sodium, which is
used as a preservative and flavor enhancer.
8. Which nutrient is most important for muscle contraction?
A. Magnesium
B. Potassium
C. Calcium
D. Sodium
Answer: C. Calcium
Rationale: Calcium plays a key role in muscle contraction by
enabling the interaction between actin and myosin filaments in
muscle cells.
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.
2. What is the primary function of insulin in the body?
A. Increase blood sugar levels
B. Store glycogen in muscles
C. Lower blood sugar levels
D. Convert fat to energy
Answer: C. Lower blood sugar levels
Rationale: Insulin helps cells absorb glucose from the blood for
energy or storage, reducing blood sugar levels.
3. Which of the following is a rich source of dietary
potassium?
A. Bread
B. Bananas
C. Cheese
D. Butter
Answer: B. Bananas
Rationale: Bananas are well-known for their high potassium
content, which helps regulate blood pressure and muscle function.
4. What condition results from excessive caloric intake over
time?
A. Malnutrition
B. Obesity
C. Anemia
D. Osteoporosis
Answer: B. Obesity
Rationale: Consuming more calories than the body needs leads to
, weight gain and, over time, obesity.
5. Which of these foods is a good source of zinc?
A. Whole grains
B. Oysters
C. Potatoes
D. Apples
Answer: B. Oysters
Rationale: Oysters are one of the richest sources of zinc, a mineral
vital for immune function and wound healing.
6. Which vitamin deficiency causes rickets in children?
A. Vitamin B
B. Vitamin C
C. Vitamin D
D. Vitamin E
Answer: C. Vitamin D
Rationale: A lack of vitamin D impairs calcium absorption, leading
to weak or deformed bones in children, known as rickets.
7. What is the primary source of sodium in the diet?
A. Fruits
B. Processed foods
C. Dairy products
D. Grains
Answer: B. Processed foods
Rationale: Processed foods are typically high in sodium, which is
used as a preservative and flavor enhancer.
8. Which nutrient is most important for muscle contraction?
A. Magnesium
B. Potassium
C. Calcium
D. Sodium
Answer: C. Calcium
Rationale: Calcium plays a key role in muscle contraction by
enabling the interaction between actin and myosin filaments in
muscle cells.
