Nutrition Knowledge Challenge Test your knowledge on nutrition with these 12 questions covering various aspects of healthy eating habits. ghostman published on February 18 Stacked 1/12 Which nutrient is the body's main source of energy? Protein Carbohydrates Vitamins Fats 2/12 What is the recommended daily water intake for adults? 4 cups 8 cups 12 cups 16 cups 3/12 Which of the following is a good source of vitamin C? Oranges Bananas Grapes Apples 4/12 What is the function of calcium in the body? Promotes healthy vision Strengthens bones and teeth Aids in digestion Boosts immune system 5/12 Which food group should make up the largest portion of your diet? Protein Fruits and vegetables Grains Dairy 6/12 What is the purpose of fiber in the diet? Builds muscle mass Aids in digestion Regulates blood sugar levels Provides energy 7/12 Which nutrient is important for brain health and function? Iron Omega-3 fatty acids Calcium Vitamin C 8/12 What is the main function of proteins in the body? Provide energy Build and repair tissues Boost metabolism Supports immune system 9/12 Which type of fat is considered the healthiest? Trans fats Saturated fats Unsaturated fats Cholesterol 10/12 What is the role of vitamin D in the body? Promotes healthy skin Supports immune system Aids in calcium absorption Regulates blood pressure 11/12 Which mineral is essential for oxygen transport in the blood? Potassium Sodium Magnesium Iron 12/12 What is the recommended daily intake of fruits and vegetables? 1 serving 3 servings 5 servings 7 servings