#1
Which of the following is a primary source of vitamin D?
Sunlight
ExplanationSunlight exposure triggers vitamin D synthesis in the skin.
#2
Which nutrient is primarily responsible for providing energy to the body?
Carbohydrates
ExplanationCarbohydrates are the main source of energy for the body.
#3
What is the recommended duration of sleep for adults per night according to sleep experts?
7-8 hours
ExplanationSleep experts recommend adults to aim for 7-8 hours of sleep per night for optimal health and well-being.
#4
Which of the following is a symptom of dehydration?
Excessive thirst
ExplanationExcessive thirst is a common symptom of dehydration, indicating the body needs more fluids.
#5
What is the main benefit of regular stretching exercises?
Enhanced flexibility
ExplanationRegular stretching exercises improve flexibility, range of motion, and reduce the risk of injury.
#6
Which of the following exercises primarily targets the abdominal muscles?
Crunches
ExplanationCrunches primarily target the abdominal muscles, aiding in core strength and stability.
#7
Which of the following activities can help improve mental well-being?
Reading
ExplanationReading is an activity that can help improve mental well-being by reducing stress and stimulating the mind.
#8
What is the recommended duration for moderate-intensity aerobic exercise per week according to WHO?
At least 60 minutes
ExplanationAt least 60 minutes of moderate-intensity aerobic activity per week is recommended by WHO for adults.
#9
What is the most effective way to reduce stress?
Meditation and deep breathing
ExplanationMeditation and deep breathing techniques are highly effective in reducing stress levels.
#10
Which of the following is a rich source of omega-3 fatty acids?
Salmon
ExplanationSalmon is a rich source of omega-3 fatty acids, beneficial for heart health.
#11
What is the recommended frequency of strength training exercises per week for adults?
Twice a week
ExplanationAdults should engage in strength training exercises at least twice a week for optimal health.
#12
Which of the following is not a component of physical fitness?
Stress
ExplanationStress is not a component of physical fitness but rather a psychological state.
#13
Which of the following is a characteristic of a balanced diet?
Includes a variety of nutrients
ExplanationA balanced diet includes a variety of nutrients from different food groups to support overall health.
#14
What is the primary function of antioxidants in the body?
Neutralize free radicals
ExplanationAntioxidants help neutralize free radicals, reducing oxidative stress and lowering the risk of chronic diseases.
#15
What is the recommended daily intake of water for an average adult?
2-3 liters
ExplanationAn average adult should aim to drink 2-3 liters of water per day to maintain hydration.