Question 1: Define obesity and explain how it is measured in adults and children.

Answer: Obesity is a condition where a person has excessive body fat that may affect health. It is measured using the Body Mass Index (BMI), which is calculated by dividing weight in kilograms by height in meters squared. A BMI over 30 indicates obesity in adults; for children, BMI percentiles are used based on age and sex.

Question 2: List three common causes of obesity.

Answer: Poor diet high in calories and sugars, lack of physical activity, and genetic factors.

Question 3: Describe two health problems that can result from obesity.

Answer: Obesity can increase the risk of type 2 diabetes and heart disease.

Question 4: Explain why regular physical activity is important for maintaining a healthy weight.

Answer: Regular physical activity helps burn excess calories, improves metabolism, and strengthens muscles, which helps prevent weight gain and supports overall health.

Question 5: Identify two dietary changes that can help prevent obesity.

Answer: Reducing intake of sugary drinks and snacks, and increasing consumption of fruits and vegetables.

Question 6: Sketch a simple plate diagram showing a balanced meal suitable for maintaining a healthy weight. Include portions of carbohydrates, protein, vegetables, and healthy fats.

Answer: A large section for vegetables, a smaller section for lean protein, a moderate portion of carbohydrates, and a small amount of healthy fats. The diagram should clearly differentiate these food groups.

Question 7: Name three ways to stay active during the day besides structured sports or exercise.

Answer: Walking or cycling to school, playing outside with friends, and taking the stairs instead of the lift.

Question 8: Describe the impact of sedentary behavior, such as sitting for long periods, on body weight.

Answer: Prolonged sitting reduces calorie expenditure, which can contribute to weight gain and increase the risk of obesity.

Question 9: Explain how peer support can help someone who is trying to lose weight.

Answer: Peer support provides encouragement, motivation, and accountability, making it easier for someone to stick to healthy habits.

Question 10: Discuss two ways schools can promote healthy eating and physical activity among students.

Answer: Schools can provide healthy meal options in the dining hall and include daily physical activity sessions or sports clubs in the timetable.