This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 27 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The bones around the axis come under A) Axial skeleton. B) Appendicular skeleton. C) Both A and B. D) None of the above. Show Answer Correct Answer: A) Axial skeleton. 2. What is the half-life of insulin in circulation? A) 1 hour. B) 5 minutes. C) 1 minute. D) 30 minutes. Show Answer Correct Answer: B) 5 minutes. 3. The oxygen-carrying protein in blood A) Platelets. B) Blood. C) Plasma. D) Hemoglobin. Show Answer Correct Answer: D) Hemoglobin. 4. The body's use of molecules for energy and growth A) System. B) Starch. C) Metabolism. D) Protein. Show Answer Correct Answer: C) Metabolism. 5. The volume of the lungs decreases during ..... A) Inhalation. B) Exhalation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Exhalation. 6. 'The volume of air that remains in the lungs after forced maximum expiration (fully exhaling)' is ..... A) Inspiratory reserve volume. B) Tidal volume. C) Breathing rate. D) Expiratory reserve volume. E) Residual volume. Show Answer Correct Answer: E) Residual volume. 7. Which of the following is an example of a short bone? A) Fiblua. B) Cranium. C) Pelvis. D) Carpals. Show Answer Correct Answer: D) Carpals. 8. Regarding the cardiac cycle, which of the following is FALSE? A) Left ventricle (LV) systole has three phases. B) Isovolumic contraction occurs after mitral valve closure. C) The decrease in ejection fraction (EF) is proportional to the decrease in LV function. D) Isovolumic contraction occurs in both the LV and right ventricle (RV). Show Answer Correct Answer: D) Isovolumic contraction occurs in both the LV and right ventricle (RV). 9. Which movement is abduction? A) Movement away from midline of body. B) Movement towards midline. C) Movement towards flexor. D) Movement towards posterior side. Show Answer Correct Answer: A) Movement away from midline of body. 10. Training reduces the recruitment of: A) Slow-twitch fibers. B) Motor units. C) Type I fibers. D) All fiber types equally. Show Answer Correct Answer: B) Motor units. 11. Gymnasium may NOT contain following: A) Tread-Mill. B) Dumbbell. C) Weights for lifting. D) Mat. Show Answer Correct Answer: D) Mat. 12. What is the minimum level of stimulus required to trigger the initial contraction of a muscle fiber? A) Submaximal stimulus. B) Threshold stimulus. C) All-or-nothing stimulus. D) Minimal stimulus. Show Answer Correct Answer: B) Threshold stimulus. 13. Into what does the neuron release its neurotransmitter at the neuromuscular junction? A) Motor end plate. B) Cytoplasm of the muscle cell. C) Terminal cisternae. D) Synapse. Show Answer Correct Answer: D) Synapse. 14. Explain the role of platelets in blood clotting. A) Platelets are involved in the digestion of food. B) Platelets primarily function to regulate blood pressure. C) Platelets help form a plug at injury sites and promote blood clotting through aggregation and the release of clotting factors. D) Platelets are responsible for transporting oxygen in the blood. Show Answer Correct Answer: C) Platelets help form a plug at injury sites and promote blood clotting through aggregation and the release of clotting factors. 15. Regular exercise will cause the following long-term aerobic adaptations to the muscular system. A) Increased mitochondria, increased myoglobin and increased use of fat (as an energy source). B) Increased mitochondria, reduced myoglobin and increased use of glycogen. C) Increased myoglobin, increased tolerance to lactate and increased stores of glycogen. D) None of the above. Show Answer Correct Answer: A) Increased mitochondria, increased myoglobin and increased use of fat (as an energy source). 16. Which cell type produces melanin? A) Keratinocyte. B) Carotene. C) Melanocyte. D) Langerhans. Show Answer Correct Answer: C) Melanocyte. 17. How can knowledge of the pinneal gland function be applied A) To restore sleep by the use of melatonin. B) To trigger ovulation during an IVF treatment. C) To reduce sperm production in male contraception. D) To regulate blood sugar in type I dibetes. Show Answer Correct Answer: A) To restore sleep by the use of melatonin. 18. What is the energy source of "Aerobic Glycolysis" ? A) Creatine Phosphate. B) Lactic Acid. C) Amino Acids. D) Glucose. Show Answer Correct Answer: D) Glucose. 19. Which of these statements is FALSE in terms of steady state heart rate? A) The suboptimal heart rate for meeting circulatory demands at a given submaximal intensity. B) The point on the graph where the heart rate plateaus. C) The optimal heart rate for meeting circulatory demands at a given sub-maximal intensity. D) This is a basis for some exercise tests to find an athletes level of fitness. E) Adjustment to a new exercise intensity takes about 2-3 minutes. Show Answer Correct Answer: A) The suboptimal heart rate for meeting circulatory demands at a given submaximal intensity. 20. What is natural Immunity? A) Vaccination. B) Antibiotics. C) Internal Antibodies. D) Acquired through other person's immunity. Show Answer Correct Answer: C) Internal Antibodies. 21. 'The volume of air inspired or expired per breath' is referred to as the ..... A) Pulmonary ventilation. B) Tidal volume. C) Breathing rate. D) Vital capacity. E) Residual volume. Show Answer Correct Answer: B) Tidal volume. 22. What is the function of the lungs in the respiratory system? A) The lungs produce hormones that regulate metabolism. B) The lungs filter toxins from the blood. C) The lungs store oxygen for later use. D) The function of the lungs is to facilitate gas exchange, providing oxygen to the blood and removing carbon dioxide. Show Answer Correct Answer: D) The function of the lungs is to facilitate gas exchange, providing oxygen to the blood and removing carbon dioxide. 23. There is no movement at all at the cartilaginous joints A) True. B) False. C) None. D) None. Show Answer Correct Answer: B) False. 24. The average untrained person's resting Q is 5 L/Min and Q$_{max}$ is 20 L/Min A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. Which is said to be the "liquid gold of life" ? A) Water. B) Air. C) Light. D) Plants. Show Answer Correct Answer: A) Water. ← PreviousNext →Related QuizzesClass 12 Physical Education Chapter 9 Physiology And Exercise Quiz 1Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 2Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 3Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 4Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 5Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 6Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 7Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 8Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 9Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books