This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physical Education Chapter 5 Physiology And Exercise – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the primary energy source during exercise? A) Proteins. B) Fats. C) Carbohydrates. D) Vitamins. Show Answer Correct Answer: C) Carbohydrates. 2. Delayed onset muscle soreness (DOMS) is most strongly linked to: A) Pure lactic acid accumulation lasting 72 hours. B) Eccentric-biased microdamage and inflammatory signaling. C) Severe hypokalemia from exercise. D) Complete ATP depletion for days. Show Answer Correct Answer: B) Eccentric-biased microdamage and inflammatory signaling. 3. Two swimmers are tested:Swimmer A has SV = 95 mL and HR = 155 bpm, while Swimmer B has SV = 89 mL and HR = 162 bpm. Who has the higher cardiac output, and by how much? (Round your final answer to 2 decimals.) A) Swimmer A by 0.31 L/min. B) Swimmer B by 0.31 L/min. C) Swimmer A by 0.42 L/min. D) Swimmer B by 0.42 L/min. Show Answer Correct Answer: A) Swimmer A by 0.31 L/min. 4. The Lactic Acid System usually lasts for how long? A) 0-10 seconds. B) 10 seconds-2 minutes. C) 2 + minutes. D) 1 hour +. Show Answer Correct Answer: B) 10 seconds-2 minutes. 5. Which of the following is TRUE about the ATP-PCr energy system? A) It provides energy for short, explosive movements. B) It is the slowest energy system. C) It is the main energy source for endurance events. D) It requires oxygen. Show Answer Correct Answer: A) It provides energy for short, explosive movements. 6. Aerobic athletes typically struggle when competing at altitude. A reason for this is: A) The overall capacity of the Aerobic system is increased. B) Cardiac output increases so there is less blood servicing the working muscles. C) Lactic acid cannot be removed as quickly. D) Athletes experience an increase in VO2 max (ability to utilise oxygen). Show Answer Correct Answer: C) Lactic acid cannot be removed as quickly. 7. During stressful situations, which division of the autonomic nervous system (ANS) is activated, leading to an increase in heart rate and acceleration of bodily functions? A) Somatic Nervous System. B) Sympathetic Nervous System. C) Parasympathetic Nervous System. D) None of the above. Show Answer Correct Answer: B) Sympathetic Nervous System. 8. All living things are made up of A) Tissues. B) Cells. C) Organs. D) Organ systems. Show Answer Correct Answer: B) Cells. 9. What is the primary function of the cerebral cortex? A) Regulation of hormones. B) Control of voluntary movement. C) Balance and coordination. D) Complex thought processes and language. Show Answer Correct Answer: D) Complex thought processes and language. 10. What does EPOC stand for in the context of exercise physiology? A) Excess Post-exercise Oxygen Consumption. B) Elevated Pre-exercise Oxygen Consumption. C) Enhanced Performance Oxygen Capacity. D) Extended Physical Output Capacity. Show Answer Correct Answer: A) Excess Post-exercise Oxygen Consumption. 11. Which fiber has the smallest amount of mitochondria? A) Slow. B) Intermediate. C) Fast. D) None of the above. Show Answer Correct Answer: C) Fast. 12. How is 'Rate Coding' defined in neuromuscular physiology? A) The number of muscle fibers per neuron. B) The speed of neural conduction. C) The frequency of motor unit firing. D) The thickness of the myelin sheath. Show Answer Correct Answer: C) The frequency of motor unit firing. 13. Which abnormal finding suggests poor exercise adaptation? A) Oxygen use rises with workload. B) Cardiac output increases 4-8 fold. C) PCWP rises above 25 mmHg. D) Blood flow to working muscles increases sharply. Show Answer Correct Answer: C) PCWP rises above 25 mmHg. 14. Long-term exercise affects the skeletal system by: A) Increasing bone density. B) Decreasing bone density. C) Causing joint pain. D) Weakening the bones. Show Answer Correct Answer: A) Increasing bone density. 15. Which of the following demonstrates testing for muscular strength? A) Sprints on a treadmill at 50% incline. B) Finding the maximum number of squats in 2 minutes. C) Finding the 10RM for a leg press. D) Measuring vertical jump height. Show Answer Correct Answer: C) Finding the 10RM for a leg press. 16. What Cardiovascular Acute Response does not usually increase throughout exercise? A) Diastolic blood pressure. B) Systolic blood pressure. C) Stroke volume. D) Heart rate. Show Answer Correct Answer: A) Diastolic blood pressure. 17. Internal intercostals will only contract when we A) Breath in deeper. B) Breath out deeper. C) Sleep. D) Watch tv. Show Answer Correct Answer: B) Breath out deeper. 18. What is flexibility in relation to joints? A) The strength of bones. B) The capacity to store nutrients. C) The range of motion available to a joint. D) The hardness of connective tissues. Show Answer Correct Answer: C) The range of motion available to a joint. 19. Anaerobic exercises require ..... whereas aerobic exercises require ..... A) No energy, energy. B) Energy, no energy. C) Oxygen, no oxygen. D) No oxygen, oxygen. Show Answer Correct Answer: D) No oxygen, oxygen. 20. Type of adaptation of the energy systems wherein there is greater substrate storage at rest and altered creatine kinase and myokinase activity A) Phosphagen System. B) Glycolytic System. C) Aerobic System. D) None of the above. Show Answer Correct Answer: A) Phosphagen System. 21. What happens to the skin blood vessels during cold stress? A) They dilate. B) They constrict. C) They burst. D) They remain unchanged. Show Answer Correct Answer: B) They constrict. 22. What is the Respiratory Exchange Ratio (RER) for glucose? A) 0.70. B) 1.00. C) 0.85. D) 0.90. Show Answer Correct Answer: B) 1.00. 23. Motor unit synchronization is best described as: A) Near-simultaneous discharge timing among motor units. B) A higher average firing rate within a motor unit. C) Recruitment of larger motor units before smaller ones. D) A decrease in neural drive during fatigue. Show Answer Correct Answer: A) Near-simultaneous discharge timing among motor units. 24. A well-supported adaptation to regular aerobic exercise is improved glycemic control via: A) Reduced GLUT4 translocation in skeletal muscle. B) Increased mitochondrial density and improved insulin sensitivity. C) Permanent increase in fasting glucagon levels. D) Decreased skeletal muscle oxidative enzymes. Show Answer Correct Answer: B) Increased mitochondrial density and improved insulin sensitivity. 25. What is the primary storage form of carbohydrate in the body? A) Glycogen. B) ATP. C) Glucose. D) None of the above. Show Answer Correct Answer: A) Glycogen. ← 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