Multiple Choice Questions
Nutrition for Athletic Performance (Continued)
Topic: Nutrition for Athletic Performance
Grade: 10
1. Question: Which macronutrient is the primary source of energy for athletes?
a) Carbohydrates
b) Proteins
c) Fats
d) Vitamins
Answer: a) Carbohydrates
Explanation: Carbohydrates are the primary source of energy for athletes as they are converted into glucose, which provides fuel for the muscles during exercise. Carbohydrates are stored as glycogen in the muscles and liver, and they are essential for high-intensity activities. For example, during a sprint, the body relies on carbohydrates for quick energy. Another example is a long-distance runner who needs carbohydrates to sustain energy levels throughout a race.
2. Question: Which nutrient is responsible for muscle repair and growth?
a) Carbohydrates
b) Proteins
c) Fats
d) Minerals
Answer: b) Proteins
Explanation: Proteins are essential for muscle repair and growth as they are the building blocks of muscles. During exercise, muscle fibers can be damaged, and proteins help in repairing these fibers, leading to muscle growth and strength. For instance, after a weightlifting session, consuming protein-rich foods like lean meats, eggs, or protein shakes can aid in muscle recovery and growth. Additionally, proteins play a role in the synthesis of enzymes and hormones necessary for athletic performance.
3. Question: Which nutrient helps in maintaining proper hydration levels in athletes?
a) Carbohydrates
b) Proteins
c) Fats
d) Electrolytes
Answer: d) Electrolytes
Explanation: Electrolytes, such as sodium, potassium, and magnesium, help in maintaining proper hydration levels in athletes. These minerals are lost through sweat during physical activity and need to be replenished to prevent dehydration. Electrolytes help regulate fluid balance in the body and support nerve and muscle function. For example, consuming a sports drink that contains electrolytes can help athletes rehydrate during and after intense workouts. Another example is consuming foods rich in electrolytes, such as bananas (potassium) or spinach (magnesium), to maintain optimal hydration levels.
4. Question: Which nutrient is important for long-lasting energy during endurance activities?
a) Carbohydrates
b) Proteins
c) Fats
d) Fiber
Answer: c) Fats
Explanation: Fats are an important source of long-lasting energy during endurance activities. While carbohydrates provide quick energy, fats are utilized during prolonged exercise or low-intensity activities. Fats are broken down into fatty acids, which can be used as a fuel source when glycogen stores are depleted. For example, during a marathon, the body relies on stored fats to sustain energy levels over an extended period. Another example is a cyclist who uses fat as a fuel source during long-distance rides.
5. Question: Which nutrient is essential for bone health in athletes?
a) Carbohydrates
b) Proteins
c) Fats
d) Calcium
Answer: d) Calcium
Explanation: Calcium is essential for bone health in athletes as it helps in building and maintaining strong bones. During high-impact activities, the bones experience stress, and calcium plays a crucial role in bone remodeling and repair. Insufficient calcium intake can lead to decreased bone density and increased risk of fractures. For instance, a gymnast who performs routines involving jumps and landings requires calcium to support bone strength and prevent injuries. Another example is a basketball player who needs calcium to withstand the impact of frequent jumping and change of direction.