Resource Covering Essential Nutritional Science, Balanced Diet
Principles, Holistic Health Practices, Preventive Health Strategies,
Impact of Nutrition on Physical and Mental Well-being, and Practical Tips
for Achieving Optimal Health and Enhancing Quality of Life
Question 1:
Which of the following is considered a macronutrient?
• A) Vitamins
• B) Minerals
• C) Carbohydrates
• D) Antioxidants
Correct Option: C) Carbohydrates
Rationale: Carbohydrates are one of the three main macronutrients, along with
proteins and fats, essential for energy production in the body.
Question 2:
What role do antioxidants play in the body?
• A) Increase fat storage
• B) Neutralize free radicals
• C) Promote cell division
• D) Enhance digestion
Correct Option: B) Neutralize free radicals
Rationale: Antioxidants protect cells from damage caused by free radicals, which can
contribute to various diseases.
Question 3:
Which vitamin is primarily associated with maintaining healthy vision?
• A) Vitamin C
• B) Vitamin A
• C) Vitamin D
• D) Vitamin E
,Correct Option: B) Vitamin A
Rationale: Vitamin A is crucial for maintaining normal vision and is important for overall
eye health.
Question 4:
What is the recommended daily intake of water for an average adult?
• A) 2 cups
• B) 4 cups
• C) 8 cups
• D) 12 cups
Correct Option: C) 8 cups
Rationale: The general recommendation is to drink about 8 cups (2 liters) of water daily
for optimal hydration.
Question 5:
Which of the following is a health benefit of dietary fiber?
• A) Aids in digestion
• B) Increases cholesterol levels
• C) Causes weight gain
• D) Reduces nutrient absorption
Correct Option: A) Aids in digestion
Rationale: Dietary fiber helps to regulate the body's digestive system, making it easier
to process food and maintain gut health.
Question 6:
Which food is a primary source of omega-3 fatty acids?
• A) Chicken
• B) Corn oil
• C) Salmon
• D) Cheese
Correct Option: C) Salmon
Rationale: Salmon is rich in omega-3 fatty acids, which are beneficial for heart and
brain health.
, Question 7:
What is the primary component of human blood?
• A) Plasma
• B) Water
• C) Fats
• D) Glucose
Correct Option: B) Water
Rationale: Water constitutes about 90% of the plasma in human blood, crucial for
transporting nutrients and waste.
Question 8:
Which mineral is essential for the formation of hemoglobin?
• A) Calcium
• B) Potassium
• C) Iron
• D) Magnesium
Correct Option: C) Iron
Rationale: Iron is vital for producing hemoglobin, which carries oxygen in the
bloodstream.
Question 9:
What type of diet focuses on whole, unprocessed foods?
• A) Ketogenic
• B) Whole-food
• C) Paleolithic
• D) Mediterranean
Correct Option: B) Whole-food
Rationale: Whole-food diets emphasize consuming foods in their natural state,
minimizing processed items.