This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physical Education Chapter 5 Physiology And Exercise – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 56 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does the body primarily cool itself during prolonged exercise? A) Increased heart rate. B) Increased sweating. C) Increased blood pressure. D) Decreased respiration rate. Show Answer Correct Answer: B) Increased sweating. 2. During repeated high-intensity contractions, extracellular K+ can rise. The immediate functional consequence most associated with this is: A) Improved membrane excitability indefinitely. B) Reduced action potential propagation and force production. C) Increased myosin ATPase activity. D) Increased calcium sensitivity of troponin. Show Answer Correct Answer: B) Reduced action potential propagation and force production. 3. Pasien mengalami tremor setelah minum obat yang menghambat GABA. Efek utama: A) Peningkatan eksitasi neuron. B) Penurunan dopamin. C) Penurunan kontraksi otot. D) Peningkatan serotonin. Show Answer Correct Answer: A) Peningkatan eksitasi neuron. 4. Research the potential impact and negative effects of illegal ergogenic aids designed to enhance performance. A) They can improve performance without any side effects. B) They can lead to serious health issues and legal consequences. C) They are completely safe and legal to use. D) They have no impact on performance. Show Answer Correct Answer: B) They can lead to serious health issues and legal consequences. 5. Which tissue joins muscle to bone? A) Ligament. B) Cartilage. C) Tendon. D) Meniscus. Show Answer Correct Answer: C) Tendon. 6. Which hormone is most directly responsible for counter-regulation of falling blood glucose during prolonged exercise? A) Leptin. B) Aldosterone. C) Glucagon. D) Calcitonin. Show Answer Correct Answer: C) Glucagon. 7. What happens to lactate in the blood after exercise? A) It remains in the blood indefinitely. B) It is cleared from the blood within 60 minutes. C) It causes permanent muscle damage. D) It increases muscle mass. Show Answer Correct Answer: B) It is cleared from the blood within 60 minutes. 8. How is oxygen transported in blood? A) By hemoglobin in red blood cells. B) By plasma. C) By white blood cells. D) By platelets. Show Answer Correct Answer: A) By hemoglobin in red blood cells. 9. A person weighs 50 kg and has a BMI of 20. What is their approximate height? A) 1.58 m. B) 1.55 m. C) 1.60 m. D) 1.62 m. Show Answer Correct Answer: A) 1.58 m. 10. Which of the following cardiovascular parameters is significantly impaired during light to moderate exercise in the heat? A) Cardiac Output. B) Stroke Volume. C) Heart Rate. D) Cardiac Output and Stroke Volume. E) None of the above. Show Answer Correct Answer: B) Stroke Volume. 11. A soccer player has SV = 120 mL and HR = 130 bpm. What is the cardiac output? A) 15.6 L/min. B) 14.5 L/min. C) 16.2 L/min. D) 13.8 L/min. Show Answer Correct Answer: A) 15.6 L/min. 12. Which structural protein primarily contributes to passive tension when a relaxed sarcomere is stretched? A) Titin. B) Nebulin. C) Troponin I. D) Desmin. Show Answer Correct Answer: A) Titin. 13. Which of the following is NOT a key takeaway from the worksheet? A) Motor units control muscle contractions. B) Fatigue only occurs due to muscle factors. C) Proper recovery strategies help restore energy. D) Recruitment of motor units depends on force demands. Show Answer Correct Answer: B) Fatigue only occurs due to muscle factors. 14. Which exercise improves the efficiency of the body's cardiovascular system? A) Anaerobic. B) Balance. C) Flexibility. D) Aerobic. Show Answer Correct Answer: D) Aerobic. 15. Which counseling technique is most effective for overcoming ambivalence? A) Closed-ended questioning. B) Prescriptive advice. C) Motivational interviewing. D) Directive goal setting. Show Answer Correct Answer: C) Motivational interviewing. 16. Which benefit results from long-term aerobic training? A) Reduced stamina. B) Increased fatigue. C) Improved cardiovascular endurance. D) Increased injury risk. Show Answer Correct Answer: C) Improved cardiovascular endurance. 17. Ventilatory threshold and lactate threshold happen at around the same intensity level, what are two ways to measure lactate threshold? A) Ventilatory threshold and ventilatory equivalent for oxygen. B) Ventilatory threshold and ventilatory equivalent for carbon dioxide. C) Ventilatory threshold and VO2max. D) None of the above. Show Answer Correct Answer: A) Ventilatory threshold and ventilatory equivalent for oxygen. 18. Which system plays a significant role in the body's ability to consume oxygen and deliver nutrients during exercise? A) Digestive system. B) Nervous system. C) Cardiovascular system. D) Immune system. Show Answer Correct Answer: C) Cardiovascular system. 19. What is the single best explanation for why RER can exceed 1.0 during severe exercise? A) Increased protein oxidation elevates CO2. B) O2 uptake is capped, forcing anaerobic CO2 release from lactate. C) Bicarbonate buffering of H+ generates additional CO2 independent of mitochondrial oxidation. D) Fat oxidation produces more CO2 than O2 consumed. Show Answer Correct Answer: C) Bicarbonate buffering of H+ generates additional CO2 independent of mitochondrial oxidation. 20. Which age group is likely to have the highest maximum heart rate? A) 15-year-old footballer. B) 23-year-old hockey player. C) 33-year-old cyclist. D) 61-year-old marathon runner. Show Answer Correct Answer: A) 15-year-old footballer. 21. Where is the Heart Located? A) In your back. B) In the chest, under the lungs angled to the right. C) In the Centre of the Chest, Between the Lungs, Angled to the left. D) In front of your ribs. Show Answer Correct Answer: C) In the Centre of the Chest, Between the Lungs, Angled to the left. 22. Finlay's nervous system can control the force exerted by his muscles during weight training sessions by: A) Increasing the frequency of nerve impulses. B) Decreasing the frequency of nerve impulses. C) Increasing the number of motor units recruited. D) Decreasing the number of motor units recruited. Show Answer Correct Answer: C) Increasing the number of motor units recruited. 23. (L6) What is a crucial consideration when exercising in hot weather? A) Wearing heavy clothing. B) Avoiding hydration. C) Hydration and taking breaks. D) Increasing exercise intensity. Show Answer Correct Answer: C) Hydration and taking breaks. 24. Below the cross-over point, one would expect which substrate to be the most utilized. A) Carbs. B) Protein. C) Fats. D) All three. Show Answer Correct Answer: C) Fats. 25. The following are the health benefits of engaging in flexibility exercises, EXCEPT: A) Provides a great range of motion. B) Allows easier movements. C) Improves flexibility. D) Maintains blood pressure. Show Answer Correct Answer: D) Maintains blood pressure. ← 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