This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Common Subjects > Physical Education > Class 11 Physical Education Chapter 5 Physiology And Exercise – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In pyruvate oxidation, how many CO2 molecules are released per pyruvate? A) 2. B) 1. C) 3. D) 0. Show Answer Correct Answer: B) 1. 2. What does a motor nueron do? A) Send signals back to the brain. B) Open the veins. C) Prevent signals being sent. D) Transfer an electrical signal to the fibre. Show Answer Correct Answer: D) Transfer an electrical signal to the fibre. 3. What happens to arteries in your legs when you run? A) Contract. B) Stay the same. C) Expand. D) Shrink. Show Answer Correct Answer: C) Expand. 4. Which of the following are the two primary energy sources used by the body? A) Proteins and carbohydrates. B) Carbohydrates and fats. C) Fats and proteins. D) None of the above. Show Answer Correct Answer: B) Carbohydrates and fats. 5. Which nervous system division is responsible for controlling voluntary movements of skeletal muscles? A) Autonomic Nervous System. B) Parasympathetic Nervous System. C) Somatic Nervous System. D) None of the above. Show Answer Correct Answer: C) Somatic Nervous System. 6. Which is an absolute contraindication to exercise testing? A) Recent myocardial infarction. B) Stable angina. C) Controlled hypertension. D) Type II diabetes. Show Answer Correct Answer: A) Recent myocardial infarction. 7. Under what conditions do muscle cells primarily switch to anaerobic respiration? A) When energy demands are low. B) When oxygen supply is abundant. C) When oxygen supply is insufficient. D) During rest periods. Show Answer Correct Answer: C) When oxygen supply is insufficient. 8. Which energy system predominates during a 10-second sprint? A) Oxidative Phosphorylation. B) ATP-PC system. C) Aerobic glycolysis. D) Beta Oxidation. Show Answer Correct Answer: B) ATP-PC system. 9. What is the function of synovial fluid? A) Acts as a lubricant that reduces friction in the joint; allows for smoother movement and reduces wear and tear. B) Surrounds and protects the joint, holding the bones together. C) Strong, elastic fibres that hold bones together and keeps them in place. D) Strong but flexible material found at the end of the bones that acts as a cushion and reduces friction. E) Produces synovial fluid which lubricates the joint. Show Answer Correct Answer: A) Acts as a lubricant that reduces friction in the joint; allows for smoother movement and reduces wear and tear. 10. (A-LREES) During low-intensity, long-duration exercise, which energy system is primarily utilized? A) ATP-PC system. B) Glycolytic system. C) Oxidative system. D) All energy systems equally. Show Answer Correct Answer: C) Oxidative system. 11. In simple terms, VO2 is equal to A) O2 inspired minus O2 expired. B) O2 inspired minus CO2 inspired. C) CO2 inspired minus CO2 expired. D) CO2 inspired minus O2 expired. Show Answer Correct Answer: A) O2 inspired minus O2 expired. 12. (EX-PTS) Which psychological factor is LEAST likely to directly influence athletic performance? A) Health of the Body. B) Focus. C) Body Temperature. D) Confidence. Show Answer Correct Answer: C) Body Temperature. 13. The 'crossover concept' in exercise metabolism refers to: A) The point at which lactate equals pyruvate concentration. B) Switching from aerobic to anaerobic metabolism at VO2max. C) The transition from type I to type II fiber recruitment only. D) A shift from predominantly fat oxidation to predominantly carbohydrate oxidation with increasing intensity. Show Answer Correct Answer: D) A shift from predominantly fat oxidation to predominantly carbohydrate oxidation with increasing intensity. 14. During exercise, what happens to stroke volume? A) Decreases. B) Stays the same. C) Increases. D) Fluctuates. Show Answer Correct Answer: C) Increases. 15. (A-LREES) Which of the following is a long-term cardiovascular adaptation to endurance training? A) Increased resting heart rate. B) Decreased resting heart rate. C) Decreased cardiac output. D) Decreased stroke volume. Show Answer Correct Answer: B) Decreased resting heart rate. 16. Increased hematocrit during exercise leads to: A) Lower viscosity. B) No change. C) Thinner blood. D) Higher viscosity. Show Answer Correct Answer: D) Higher viscosity. 17. When VO2 and CO2 data is not available to calculate RER, we can use an estimated value of 5.05 kcal/L O2 to determine energy expenditure. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. According to the 'Size Principle, ' which motor units are recruited first? A) Large, high-threshold units. B) Small, low-threshold units. C) Intermediate units. D) Fast-fatigable units. Show Answer Correct Answer: B) Small, low-threshold units. 19. A capillary bed across an exercising muscle has ..... arterial-mixed venous oxygen difference compared to a resting muscle A) A greater. B) A lesser. C) No. D) None of the above. Show Answer Correct Answer: A) A greater. 20. What happens to the heart rate when you exercise? A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: A) Increases. 21. Which of the following is a long term response to exercise A) Decreased resting heart rate. B) Increased muscular strength. C) Increased muscular endurance. D) All of the above. Show Answer Correct Answer: D) All of the above. 22. Your windpipe is called ..... A) Aorta. B) Trachea. C) Larynx. D) Bronchi. Show Answer Correct Answer: B) Trachea. 23. What regulates pH in the body? Which ones are long term and short term? A) Chemical buffers in the blood, pulmonary ventilation-long term; kidney function-short term. B) Chemical buffers in the blood, pulmonary ventilation, and kidney function. There are no short term or long term regulations. C) Chemical buffers in the blood, pulmonary ventilation-short term; kidney function-long term. D) None of the above. Show Answer Correct Answer: C) Chemical buffers in the blood, pulmonary ventilation-short term; kidney function-long term. 24. A BMI of 28 corresponds to what weight if the height is 1.65 m? A) 72 kg. B) 74 kg. C) 78 kg. D) 76 kg. Show Answer Correct Answer: D) 76 kg. 25. The most suitable type of stretching for a warm up is: A) Static stretching. B) Ballistic stretching. C) PNF stretching. D) Dynamic stretching. Show Answer Correct Answer: D) Dynamic stretching. 26. How does the circulatory system respond to the increased need for oxygen during exercise? A) Blood vessels constrict. B) Heart rate increases. C) Blood flow to muscles decreases. D) Heart rate decreases. Show Answer Correct Answer: B) Heart rate increases. 27. Which vessels contain valves? A) Veins. B) Arteries. C) Aorta. D) Capillaries. Show Answer Correct Answer: A) Veins. 28. Which change would most increase the rate of force development (RFD) in a ballistic contraction, assuming muscle size is unchanged? A) Lower Ca2+ sensitivity of troponin. B) Lower tendon stiffness. C) Lower motor unit recruitment thresholds. D) Higher initial motor unit firing rates (doublet). Show Answer Correct Answer: D) Higher initial motor unit firing rates (doublet). 29. A signal being sent down the parasympathetic nervous system to the heart will ..... A) Speed up the heart. B) Slow down the heart rate. C) Speed up breathing rate. D) Reduce blood resistance. Show Answer Correct Answer: B) Slow down the heart rate. 30. The lower the exercise intensity, the shorter the amount of time it can be performed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 31. During a strength training session, an athlete performs a bicep curl with a dumbbell. What type of muscle contraction occurs in the biceps as the athlete lifts the dumbbell from the starting position to the point where the elbow is fully flexed? A) Isokinetic contraction. B) Concentric contraction. C) Isometric contraction. D) Eccentric contraction. Show Answer Correct Answer: B) Concentric contraction. 32. What is the function of the atrioventricular (AV) node in the cardiac conduction system? A) It regulates the opening and closing of heart valves. B) It directly stimulates the contraction of the atria. C) It delays the electrical impulse to allow the ventricles to fill with blood. D) It generates electrical impulses to initiate the heartbeat. Show Answer Correct Answer: C) It delays the electrical impulse to allow the ventricles to fill with blood. 33. Which joint is an example of a ball-and-socket joint? A) Knee joint. B) Shoulder joint. C) Elbow joint. D) Neck joint. Show Answer Correct Answer: B) Shoulder joint. 34. In trained athletes, stroke volume: A) Remains unchanged. B) Does not plateau. C) Decreases with intensity. D) Plateaus earlier. Show Answer Correct Answer: B) Does not plateau. 35. What typically happens to respiratory rate during an acute bout of exercise? A) It stops completely during intense activity. B) It remains unchanged throughout the exercise. C) It increases to meet the higher oxygen demands of the body. D) It decreases as the body relaxes. Show Answer Correct Answer: C) It increases to meet the higher oxygen demands of the body. 36. What are the two factors that determine blood pressure? A) Heart rate and blood volume. B) Blood viscosity and vessel elasticity. C) Cardiac output and peripheral resistance. D) Oxygen levels and carbon dioxide levels. Show Answer Correct Answer: C) Cardiac output and peripheral resistance. 37. A benefit of using a HIIT protocol in a clinical population is an adaptation to a high-level stress, with limited exposure for adverse events. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 38. What is a Gross Skill? A) Takes place in a stable, predictable environment and athlete knows exactly what to do and when. B) Involves large muscle movements (e.g. jumping). C) Involve intricate, precise movements of small muscle groups. D) Where environment is constantly changing, and skills/movements have to be adapted. Show Answer Correct Answer: B) Involves large muscle movements (e.g. jumping). 39. Which strategy is most effective for clients struggling with motivation? A) Provide social support opportunities. B) Eliminate goal setting. C) Remove feedback. D) Increase workout intensity. Show Answer Correct Answer: A) Provide social support opportunities. 40. What is the main function of cortisol in the body? A) Increases muscle tissue growth. B) Regulates bone remodeling. C) Stimulates general body growth. D) Suppresses the immune system. Show Answer Correct Answer: D) Suppresses the immune system. 41. What principle can help explain the depolarization threshold? A) All-or-none Principle. B) Vice principal. C) All the above. D) None of the above. Show Answer Correct Answer: A) All-or-none Principle. 42. Which joint allows the greatest range of movement? A) Knee. B) Shoulder. C) Ankle. D) Elbow. Show Answer Correct Answer: B) Shoulder. 43. What is the best measure for endurance performance? A) Lactate threshold. B) VO2max. C) Broad jump. D) None of the above. Show Answer Correct Answer: A) Lactate threshold. 44. How many molecules of oxygen are transported by a single carrier molecule? A) 3. B) 2. C) 1. D) 4. Show Answer Correct Answer: D) 4. 45. Which fiber stores a high amount of glycogen but a low amount of myoglobin? A) Slow oxidative. B) Intermediate oxidative. C) Fast glycolytic. D) None of the above. Show Answer Correct Answer: C) Fast glycolytic. 46. Research that looks at different groups at a particular time can be described as: A) Prospective. B) Systematic. C) Longitudinal. D) Cross-Sectional. Show Answer Correct Answer: D) Cross-Sectional. 47. Which type of joint allows for rotation movement only? A) Ball-and-socket joint. B) Hinge joint. C) Pivot joint. D) Gliding joint. Show Answer Correct Answer: C) Pivot joint. 48. After regular and repeated exercise your body systems are more ..... A) Efficient. B) Inefficient. C) All the above. D) None of the above. Show Answer Correct Answer: A) Efficient. 49. What is the effect of decreased oestrogen on bone strength? A) Promotes bone growth. B) Increases bone density. C) Stimulates osteoblast activity. D) Causes bones to become weaker. Show Answer Correct Answer: D) Causes bones to become weaker. 50. How is Adenosine Triphosphate (ATP) broken down to produce energy? A) Two molecules of phosphate are broken off and this split releases energy. B) One molecule of phosphate joins and this releases energy. C) ATP does not produce energy. D) One molecule of phosphate is broken off and this split releases energy. Show Answer Correct Answer: D) One molecule of phosphate is broken off and this split releases energy. 51. What is a dynamic stretch A) Movement based type of stretching. B) Not stretching. C) Running. D) Static based type of stretching. Show Answer Correct Answer: A) Movement based type of stretching. 52. As muscle contraction intensity increases toward maximal, the relative contribution typically shifts toward: A) Only reflex activity with no voluntary drive. B) Only synchronization with no firing rate changes. C) More motor unit recruitment early, then greater reliance on rate coding to further increase force. D) Less recruitment and less rate coding. Show Answer Correct Answer: C) More motor unit recruitment early, then greater reliance on rate coding to further increase force. 53. Which type of muscle contraction occurs when muscle length stays the same? A) Eccentric. B) Concentric. C) Isometric. D) Static. Show Answer Correct Answer: C) Isometric. 54. What is the resting heart rate range for adults? A) 40-60 bpm. B) 80-100 bpm. C) 100-120 bpm. D) 60-80 bpm. Show Answer Correct Answer: D) 60-80 bpm. 55. The yield point on a ligament stress-strain curve indicates the onset of: A) Maximum elastic recoil. B) Permanent (plastic) deformation. C) Zero strain. D) The toe region. Show Answer Correct Answer: B) Permanent (plastic) deformation. 56. Which muscle is responsible for scapular elevation and retraction? A) Rhomboid Major. B) Levator Scapulae. C) Trapezius. D) Deltoid. Show Answer Correct Answer: C) Trapezius. 57. During the slow component of EPOC, what percentage of lactic acid is converted into carbon dioxide (CO2) and water (H2O)? A) 5%. B) 20%. C) 10%. D) 65%. Show Answer Correct Answer: D) 65%. 58. The amount of heat lost through convection is increased in which environment A) High humidity. B) Windy. C) Extreme heat. D) Hot, humid and still conditions. Show Answer Correct Answer: B) Windy. 59. Evaporation is a method in which heat can be dissipated (lost) from the body. The physiological response which enables this to occur is: A) An increased sweat rate. B) Blood being redirected to the periphery. C) Increased ventilation. D) Vasodilation of the blood vessels. Show Answer Correct Answer: A) An increased sweat rate. 60. Which component of blood is greatest by volume? A) Electrolytes. B) Leucocytes. C) Plasma. D) Erythrocytes. Show Answer Correct Answer: C) Plasma. ← PreviousNext →Related QuizzesCommon Subjects QuizzesClass 11 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books