Q.1 Which of the following vitamins is essential for blood clotting?
Vitamin A
Vitamin C
Vitamin D
Vitamin K
Explanation - Vitamin K plays a key role in the synthesis of proteins required for blood coagulation, preventing excessive bleeding.
Correct answer is: Vitamin K
Q.2 What is the recommended duration of moderate-intensity aerobic activity per week for adults according to WHO?
75 minutes
150 minutes
200 minutes
300 minutes
Explanation - WHO recommends at least 150 minutes of moderate-intensity aerobic physical activity per week for adults to maintain health.
Correct answer is: 150 minutes
Q.3 Which nutrient deficiency is the leading cause of preventable blindness in children?
Vitamin A
Vitamin B12
Iron
Calcium
Explanation - Vitamin A deficiency can lead to xerophthalmia and night blindness, which is a leading cause of preventable blindness in children.
Correct answer is: Vitamin A
Q.4 Which of the following is NOT a common symptom of diabetes?
Frequent urination
Excessive thirst
Blurred vision
Hearing loss
Explanation - Frequent urination, excessive thirst, and blurred vision are classic symptoms of diabetes, while hearing loss is not typically associated.
Correct answer is: Hearing loss
Q.5 Which lifestyle habit is most effective in reducing the risk of cardiovascular diseases?
Regular physical activity
Daily vitamin supplements
Avoiding sunlight
High-protein diet
Explanation - Regular physical activity improves heart health, reduces blood pressure, and lowers cholesterol, significantly decreasing cardiovascular risk.
Correct answer is: Regular physical activity
Q.6 What is the main function of insulin in the human body?
Increase blood sugar
Decrease blood sugar
Break down fats
Enhance protein synthesis
Explanation - Insulin is a hormone produced by the pancreas that lowers blood glucose levels by facilitating cellular uptake of glucose.
Correct answer is: Decrease blood sugar
Q.7 Which of the following is a mental health disorder characterized by persistent sadness and loss of interest?
Anxiety disorder
Bipolar disorder
Depression
Schizophrenia
Explanation - Depression is a mood disorder marked by prolonged periods of sadness and a lack of interest in previously enjoyed activities.
Correct answer is: Depression
Q.8 Which practice is considered most effective for preventing communicable diseases?
Regular exercise
Vaccination
Meditation
Balanced diet
Explanation - Vaccination helps the body build immunity against specific infectious agents, preventing the spread of communicable diseases.
Correct answer is: Vaccination
Q.9 Which mineral is essential for the formation of hemoglobin?
Iron
Zinc
Magnesium
Potassium
Explanation - Iron is a key component of hemoglobin, which carries oxygen in the blood. Iron deficiency can cause anemia.
Correct answer is: Iron
Q.10 What is the primary health risk associated with excessive intake of trans fats?
Osteoporosis
Cardiovascular disease
Vitamin deficiency
Asthma
Explanation - Trans fats raise LDL cholesterol levels and lower HDL cholesterol, significantly increasing the risk of heart disease.
Correct answer is: Cardiovascular disease
Q.11 Which type of diabetes is commonly diagnosed in childhood or adolescence?
Type 1 diabetes
Type 2 diabetes
Gestational diabetes
Prediabetes
Explanation - Type 1 diabetes is an autoimmune condition where the pancreas produces little or no insulin, often appearing in children and teens.
Correct answer is: Type 1 diabetes
Q.12 Which of the following is a benefit of regular physical exercise?
Reduces muscle mass
Lowers immunity
Improves mental health
Causes chronic fatigue
Explanation - Regular exercise enhances mood, reduces anxiety and depression, and promotes overall mental well-being.
Correct answer is: Improves mental health
Q.13 Which nutrient is primarily responsible for healthy bones and teeth?
Calcium
Vitamin C
Protein
Iron
Explanation - Calcium is essential for strong bones and teeth, and deficiency can lead to osteoporosis and dental issues.
Correct answer is: Calcium
Q.14 What is BMI (Body Mass Index) used for?
Measuring body fat
Assessing muscle strength
Calculating calorie intake
Tracking hydration levels
Explanation - BMI is a calculation based on weight and height that gives a general indication of body fat and helps assess obesity or underweight risks.
Correct answer is: Measuring body fat
Q.15 Which of the following is a common symptom of dehydration?
Frequent urination
Dry mouth and lips
Excessive sweating
Increased appetite
Explanation - Dehydration leads to reduced body fluids, causing dry mouth, lips, dizziness, and fatigue.
Correct answer is: Dry mouth and lips
Q.16 Which organ is primarily responsible for detoxification in the human body?
Kidney
Liver
Pancreas
Spleen
Explanation - The liver metabolizes toxins and drugs, converting them into harmless substances for excretion.
Correct answer is: Liver
Q.17 Which mental practice has been shown to reduce stress and improve focus?
Meditation
Overthinking
Watching TV
Fasting
Explanation - Meditation promotes relaxation, reduces stress hormone levels, and enhances concentration and emotional well-being.
Correct answer is: Meditation
Q.18 Which of the following is considered a macronutrient?
Vitamin D
Protein
Iron
Folic Acid
Explanation - Macronutrients include carbohydrates, proteins, and fats, which are required in large amounts for energy and growth.
Correct answer is: Protein
Q.19 Which of the following is a risk factor for obesity?
High physical activity
Excess calorie intake
Balanced diet
Adequate sleep
Explanation - Consuming more calories than the body burns leads to weight gain and obesity, increasing risk for various health issues.
Correct answer is: Excess calorie intake
Q.20 Which health condition is associated with prolonged vitamin D deficiency?
Rickets
Scurvy
Anemia
Goiter
Explanation - Vitamin D deficiency in children causes rickets, leading to weak and deformed bones.
Correct answer is: Rickets
Q.21 Which hormone regulates the body’s sleep-wake cycle?
Cortisol
Insulin
Melatonin
Adrenaline
Explanation - Melatonin is secreted by the pineal gland and helps regulate circadian rhythms, controlling sleep patterns.
Correct answer is: Melatonin
Q.22 Which of the following is a major cause of lifestyle-related diseases?
Genetic mutations
Physical inactivity
Viral infections
Bacterial infections
Explanation - Sedentary lifestyle increases the risk of obesity, diabetes, cardiovascular disease, and other chronic conditions.
Correct answer is: Physical inactivity
Q.23 Which vitamin is produced in the skin upon exposure to sunlight?
Vitamin A
Vitamin C
Vitamin D
Vitamin E
Explanation - Sunlight triggers the synthesis of vitamin D in the skin, which is essential for calcium absorption and bone health.
Correct answer is: Vitamin D
Q.24 Which of the following is a symptom of high blood pressure (hypertension)?
Persistent headache
Weight loss
Low energy
Hair loss
Explanation - Hypertension often shows no symptoms but can cause headaches, dizziness, and nosebleeds in severe cases.
Correct answer is: Persistent headache
Q.25 Which type of fat is considered heart-healthy?
Trans fat
Saturated fat
Unsaturated fat
Hydrogenated fat
Explanation - Unsaturated fats, found in nuts, seeds, and fish, can improve cholesterol levels and reduce cardiovascular risk.
Correct answer is: Unsaturated fat