#1
What is the recommended daily intake of water for adults?
2 liters
ExplanationHydration for optimal bodily functions.
#2
Which vitamin is essential for bone health?
Vitamin D
ExplanationCritical for calcium absorption.
#3
What is the recommended duration for a good night's sleep for adults?
8-9 hours
ExplanationFor optimal rest and rejuvenation.
#4
Which macronutrient is the body's main source of energy during prolonged exercise?
Carbohydrates
ExplanationSustained energy during physical activity.
#5
What is the body mass index (BMI) used to assess?
Body fat percentage
ExplanationIndicator of weight-related health risks.
#6
What is the primary function of carbohydrates in the body?
Provide energy
ExplanationMain energy source for bodily functions.
#7
What is the recommended frequency for aerobic exercise per week?
3-4 times
ExplanationFor cardiovascular health and fitness.
#8
What is the significance of mindfulness in mental health?
Improves focus and awareness
ExplanationEnhances cognitive functioning and emotional regulation.
#9
Which activity is considered a moderate-intensity aerobic exercise?
Brisk walking
ExplanationEffective for heart health without overexertion.
#10
How does regular exercise contribute to cardiovascular health?
Strengthens the heart
ExplanationImproves heart function and reduces risk of disease.
#11
Which of the following is a complete protein source?
Quinoa
ExplanationContains all essential amino acids.
#12
What is the primary function of antioxidants in the body?
Neutralize free radicals
ExplanationProtect cells from oxidative stress and damage.
#13
Which nutrient is crucial for the formation and maintenance of healthy skin, hair, and nails?
Vitamin E
ExplanationAntioxidant properties support skin health.
#14
Which mineral is crucial for the formation of healthy bones and teeth?
Calcium
ExplanationStructural component of bones and teeth.
#15
Which nutrient is essential for the synthesis of hemoglobin in red blood cells?
Iron
ExplanationTransports oxygen throughout the body.