#1
Which macronutrient provides the highest amount of energy per gram?
Fat
ExplanationFat provides 9 calories per gram, the most among macronutrients.
#2
What is the recommended daily intake of water for the average adult?
2 liters
ExplanationThe average adult should consume 2 liters of water daily.
#3
Which of the following is a monosaccharide?
Glucose
ExplanationGlucose is a monosaccharide, a simple sugar.
#4
What is the primary source of energy for the brain?
Carbohydrate
ExplanationCarbohydrates are the primary energy source for the brain.
#5
Which mineral is essential for the formation of hemoglobin in red blood cells?
Iron
ExplanationIron is essential for hemoglobin formation.
#6
What is the primary function of carbohydrates in the body?
Energy storage
ExplanationCarbohydrates are stored in the body as glycogen for energy.
#7
Which vitamin is synthesized by the skin when exposed to sunlight?
Vitamin D
ExplanationVitamin D is synthesized by the skin upon exposure to sunlight.
#8
Which of the following is a fat-soluble vitamin?
Vitamin K
ExplanationVitamin K is a fat-soluble vitamin.
#9
What is the role of antioxidants in the body?
Preventing oxidative stress
ExplanationAntioxidants prevent damage from free radicals.
#10
What is the primary function of dietary fiber in the body?
Aid in digestion
ExplanationDietary fiber helps in digestion and bowel movements.
#11
Which of the following is an essential amino acid?
Histidine
ExplanationHistidine is an essential amino acid.
#12
What is the term for the process by which the body converts food into energy?
Metabolism
ExplanationMetabolism is the process of converting food into energy.
#13
Which of the following minerals is essential for the formation of healthy bones and teeth?
Calcium
ExplanationCalcium is vital for bone and teeth health.
#14
Which of the following is a complete protein source?
Quinoa
ExplanationQuinoa provides all essential amino acids.
#15
What is the main function of the liver in metabolism?
Detoxification
ExplanationThe liver detoxifies and processes nutrients.
#16
What is the term for the body's energy expenditure at rest?
Basal metabolic rate (BMR)
ExplanationBMR is the energy the body expends at rest.
#17
Which micronutrient is crucial for the formation of red blood cells?
Iron
ExplanationIron is crucial for red blood cell formation.