This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physical Education Chapter 5 Physiology And Exercise – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 41 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What helps speed up diffusion in the alveoli? A) Thick walls. B) Small surface area. C) Moist surface. D) Low blood supply. Show Answer Correct Answer: C) Moist surface. 2. Heat transfer by conduction utilizes A) Direct molecule to molecule contact. B) Movement of wind/air molecules across the skin. C) Electromagnetic waves. D) Vaporizing of water. Show Answer Correct Answer: A) Direct molecule to molecule contact. 3. Which of the following processes occurs during the fast component of EPOC? A) Breakdown of lactic acid into pyruvate. B) Resynthesis of ATP and PC, and replenishment of myoglobin with O2. C) Replenishment of glucose and glycogen stores. D) Repair of muscle tissue damage. Show Answer Correct Answer: B) Resynthesis of ATP and PC, and replenishment of myoglobin with O2. 4. Which of these requires energy? A) Active Transport. B) Osmosis. C) Diffusion. D) None of the above. Show Answer Correct Answer: A) Active Transport. 5. Thermoreceptors are located where A) Carotid artery and aorta. B) Blood vessels supplying the heart. C) On the skin surface. D) In the medulla. Show Answer Correct Answer: C) On the skin surface. 6. Why is glycogenolysis related to exercise intensity? A) Because you need to break down more glucose into glycogen to generate ATP. B) Because you need to break down more glycogen into glucose to generate ATP. C) Because you need to break down more glycogen into FFA to generate ATP. D) None of the above. Show Answer Correct Answer: B) Because you need to break down more glycogen into glucose to generate ATP. 7. In COPD, a core reason exercise training improves function is: A) It reverses emphysema anatomy. B) It improves peripheral muscle oxidative capacity and reduces ventilatory demand for a given workload. C) It permanently increases FEV1 dramatically in all patients. D) It eliminates dynamic hyperinflation in minutes. Show Answer Correct Answer: B) It improves peripheral muscle oxidative capacity and reduces ventilatory demand for a given workload. 8. What is the primary purpose of Excess Post-exercise Oxygen Consumption (EPOC)? A) To increase the body's overall metabolic rate indefinitely. B) To return the body to its pre-exercise state by increasing oxygen intake. C) To deplete remaining energy stores after intense activity. D) To initiate muscle growth and repair processes. Show Answer Correct Answer: B) To return the body to its pre-exercise state by increasing oxygen intake. 9. What is the capacity of joints to move through a full range of movements called? A) Agility. B) Maximum Muscular Strength. C) Strength Endurance. D) Flexibility. Show Answer Correct Answer: D) Flexibility. 10. What happens to cardiac output during heavy exercise? A) It may double. B) It may increase 4-8 times. C) It decreases as oxygen demand rises. D) It remains unchanged. Show Answer Correct Answer: B) It may increase 4-8 times. 11. What is warming up? A) Warming up are the exercises, stretching or practice for a short time beforehand which prepares the players for their game. B) Exercises that are performed after the activity. C) These are the set of exercises which are performed during the game. D) Warming up is a time to recover your body after workout through set of cooling down exercises. Show Answer Correct Answer: A) Warming up are the exercises, stretching or practice for a short time beforehand which prepares the players for their game. 12. Which of the following is a primary goal of a clinical exercise physiologist when working with patients? A) To prescribe pharmaceutical treatments for chronic diseases. B) To perform diagnostic imaging procedures. C) To conduct surgical interventions for musculoskeletal injuries. D) To improve functional capacity and quality of life through tailored exercise programs. Show Answer Correct Answer: D) To improve functional capacity and quality of life through tailored exercise programs. 13. A decrease in mitochondrial coupling efficiency during exercise most directly implies what? A) Less O2 consumption for the same ATP production. B) Complete inhibition of the TCA cycle. C) More O2 consumption for the same ATP production due to proton leak. D) More ATP produced per NADH oxidized. Show Answer Correct Answer: C) More O2 consumption for the same ATP production due to proton leak. 14. At very high altitude, which factor most limits exercise performance? A) Cardiac output cannot increase. B) Arterial oxygen content is reduced. C) Plasma bicarbonate rises excessively. D) Skeletal muscles reduce metabolism. Show Answer Correct Answer: B) Arterial oxygen content is reduced. 15. (L2) Which energy system relies heavily on glucose as it's fuel source A) Oxidative system. B) ATP-PC system. C) Glycolytic system. D) All of the above. Show Answer Correct Answer: C) Glycolytic system. 16. Describe Heart rate changes during acute exercise. A) It decreases during acute exercise. B) It increases during acute exercise. C) It remains unchanged during acute exercise. D) None of the above. Show Answer Correct Answer: B) It increases during acute exercise. 17. Where does gas exchange take place? A) Bronchi. B) Bronchioles. C) Alveoli. D) Trachea. Show Answer Correct Answer: C) Alveoli. 18. Women typically have a lower BMR due to lower fat free mass and higher percent body fat. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Microtears are repaired using A) Proteins. B) Carbs. C) Fats. D) Calcium. Show Answer Correct Answer: A) Proteins. 20. The amount of blood pumped out of the heart with each ventricular contraction is called: A) Heart rate. B) Blood pressure. C) Cardiac output. D) Stroke volume. Show Answer Correct Answer: D) Stroke volume. 21. (EX-SM) The somatotype system is: A) A perfectly accurate predictor or athletic ability. B) A useful tool for understanding body composition and potential athletic strengths, but not a definitive predictor of success. C) Outdated and no longer relevant in modern sport science. D) Only applicable to elite athletes. Show Answer Correct Answer: B) A useful tool for understanding body composition and potential athletic strengths, but not a definitive predictor of success. 22. What is the by-product of glycolysis that can lead to a drop in muscle pH and interfere with muscle contractions? A) ATP. B) Pyruvate. C) Citrate. D) Carbon dioxide. Show Answer Correct Answer: B) Pyruvate. 23. Where does the 'lub dub of a heart beat come from? A) The sound of blood being pushed against the aorta. B) The sound of blood being pushed against arteries. C) The sound of blood being pushed against closed, one-way valves. D) The sound of blood being pushed against veins. Show Answer Correct Answer: C) The sound of blood being pushed against closed, one-way valves. 24. (L5) What happens to breathing rate during exercise? A) Decreases. B) Fluctuates unpredictably. C) Remains the same. D) Increases. Show Answer Correct Answer: D) Increases. 25. Describe the sliding filament theory A) Calcium binds to troponin. Tropomyosin moves off the actin binding sites. Myosin binds with active actin binding sites and pulls. B) Calcium binds to tropomyosin. Troponin moves off the actin binding sites. Myosin binds with active actin binding sites and pulls. C) Calcium binds to troponin. Tropomyosin moves off the actin binding sites. Actin heads binds with active myosin binding sites and pulls. D) None of the above. Show Answer Correct Answer: A) Calcium binds to troponin. Tropomyosin moves off the actin binding sites. Myosin binds with active actin binding sites and pulls. ← PreviousNext →Related QuizzesClass 11 Physical Education Chapter 5 Physiology And Exercise Quiz 1Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 2Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 3Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 4Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 5Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 6Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 7Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 8Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 9Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books