#1
Which of the following is a macronutrient?
Protein
ExplanationProtein is a macronutrient necessary for growth, repair, and maintenance of body tissues.
#2
Which nutrient is the primary source of energy for the body?
Carbohydrate
ExplanationCarbohydrates are the body's main source of energy, providing fuel for daily activities.
#3
Which mineral is essential for the formation of healthy bones and teeth?
Calcium
ExplanationCalcium is essential for bone and teeth health, as well as muscle function and nerve transmission.
#4
What is the main function of antioxidants in the body?
Prevent cell damage
ExplanationAntioxidants prevent cell damage by neutralizing harmful molecules called free radicals, thus reducing the risk of chronic diseases.
#5
Which of the following is a good source of omega-3 fatty acids?
Salmon
ExplanationSalmon is a good source of omega-3 fatty acids, which are essential for heart health and brain function.
#6
What is the recommended daily intake of water for an adult?
2 liters
ExplanationThe recommended daily intake of water for adults is 2 liters to maintain proper hydration.
#7
Which vitamin is synthesized by the human body when exposed to sunlight?
Vitamin D
ExplanationVitamin D is synthesized by the body when skin is exposed to sunlight, crucial for bone health and immune function.
#8
Which of the following is NOT a complete protein source?
Broccoli
ExplanationBroccoli is not a complete protein source as it lacks some essential amino acids found in animal products.
#9
What is the primary function of carbohydrates in the body?
Provide energy
ExplanationCarbohydrates are primarily responsible for providing energy for various bodily functions and activities.
#10
Which nutrient is primarily responsible for repairing body tissues?
Protein
ExplanationProtein is primarily responsible for repairing and building body tissues, including muscles, organs, and skin.
#11
What is the function of dietary fiber in the body?
Aids in digestion
ExplanationDietary fiber aids in digestion by promoting regular bowel movements and preventing constipation.
#12
Which nutrient is crucial for the formation of hemoglobin in red blood cells?
Iron
ExplanationIron is crucial for the formation of hemoglobin, the protein in red blood cells that carries oxygen throughout the body.
#13
Which mineral is important for proper thyroid function?
Iodine
ExplanationIodine is crucial for proper thyroid function, as it is a key component of thyroid hormones that regulate metabolism, growth, and development.
#14
Which nutrient is essential for the formation of collagen in the body?
Vitamin C
ExplanationVitamin C is essential for the formation of collagen, a protein that provides structure to skin, bones, and connective tissues.
#15
Which nutrient is crucial for the formation of neurotransmitters like serotonin and dopamine?
Folate
ExplanationFolate, also known as vitamin B9, is crucial for the formation of neurotransmitters like serotonin and dopamine, which play key roles in mood regulation, cognition, and behavior.