This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hypoxia is the deprivation of oxygen at tissue level. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. What is the role of alveoli in the respiratory system? A) Alveoli are responsible for producing mucus in the lungs. B) Alveoli are tiny air sacs where gas exchange occurs between the air and the bloodstream. C) Alveoli help in the mechanical process of breathing by expanding and contracting. D) Alveoli are involved in filtering dust and particles from the air. Show Answer Correct Answer: B) Alveoli are tiny air sacs where gas exchange occurs between the air and the bloodstream. 3. Why do we have a diaphragm? A) This creates a vacuum effect that pulls air into the lungs. B) It contracts and flattens when you inhale. C) Both A and B. D) Neither A and B. Show Answer Correct Answer: C) Both A and B. 4. Pair of serous membranes lining the thorax and enveloping the lungs A) Alveoli. B) Pericardium. C) Pleura. D) Bronchi. Show Answer Correct Answer: C) Pleura. 5. Seasonal breeders exhibit oestrous cycle throughout their life A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. I band ..... A band A) Another parental band favorite. B) Light band dark band. C) Dark band light band. D) Happens during a band concert. Show Answer Correct Answer: B) Light band dark band. 7. Where are your vocal cords located? A) Nose. B) Lungs. C) Larynx. D) Alveoli. Show Answer Correct Answer: C) Larynx. 8. How much air does a normal person take in a breath? A) 900ml. B) 700ml. C) 500ml. D) 400ml. Show Answer Correct Answer: C) 500ml. 9. What muscle plays a crucial role in the process of inhalation by contracting and creating a vacuum in the chest cavity? A) Intercostal muscles. B) Diaphragm. C) Abdominal muscles. D) Pectoral muscles. Show Answer Correct Answer: B) Diaphragm. 10. Mr. Shore's heart rate is 70 beats per minute and he has a stroke volume of 0.05 liters per stroke. What is his cardiac output? A) 5 Liters / minute. B) 4 Liters / minute. C) 3 Liters / minute. D) 3.5 Liters / minute. Show Answer Correct Answer: D) 3.5 Liters / minute. 11. Explain the difference between voluntary and involuntary muscles. A) Voluntary muscles are always relaxed, while involuntary muscles are always contracted. B) Voluntary muscles are controlled consciously, while involuntary muscles function automatically. C) Voluntary muscles are found in the heart, while involuntary muscles are in the limbs. D) Involuntary muscles are controlled by the brain, while voluntary muscles are not. Show Answer Correct Answer: B) Voluntary muscles are controlled consciously, while involuntary muscles function automatically. 12. The heart has a four chambers. A) Anatomy. B) Physiology. C) Both. D) None of the above. Show Answer Correct Answer: A) Anatomy. 13. This is the first part of the digestive system. It contains stratified squamous epithelium. A) ABDOMINAL CAVITY. B) ORAL CAVITY. C) CRANIAL CAVITY. D) TOOTH CAVITY. Show Answer Correct Answer: B) ORAL CAVITY. 14. What fibres allow the ventricles to contract? A) SA. B) AV. C) Purkinje. D) Bundle of His. Show Answer Correct Answer: C) Purkinje. 15. Slow twitch muscle fibres is also called as A) Red muscle fibre. B) Anaerobic endurance. C) Aerobic endurance. D) White muscle fibre. Show Answer Correct Answer: A) Red muscle fibre. 16. The muscle that works as an antagonistic pair with the gastrocnemius is the ..... A) Calf muscle. B) Hamstring. C) Gluteals. D) Tibialis Anterior. Show Answer Correct Answer: D) Tibialis Anterior. 17. What triggers the release of insulin? A) High blood glucose levels. B) Low blood glucose levels. C) Exercise. D) Fasting. Show Answer Correct Answer: A) High blood glucose levels. 18. What happens to glucose in the body when insulin is present? A) Glucose moves from the bloodstream into muscle, fat, and liver cells to be used as fuel. B) Glucose stays in the bloodstream and cannot be used. C) Glucose is turned into water and carbon dioxide. D) Glucose is stored only in the stomach. Show Answer Correct Answer: A) Glucose moves from the bloodstream into muscle, fat, and liver cells to be used as fuel. 19. What is the name of the bone in the upper arm? A) Radius. B) Ulna. C) Humerus. D) Femur. Show Answer Correct Answer: C) Humerus. 20. What opening does the epiglottis cover? A) The nasal cavity. B) The glottis/trachea. C) The esophagus. D) The larynx. Show Answer Correct Answer: B) The glottis/trachea. 21. What refers to the activation of the force-generating sites within muscle fibers? A) Muscle Shortening. B) Sliding Filament Model. C) Muscle Contraction. D) Cross-Bridge Movement. Show Answer Correct Answer: C) Muscle Contraction. 22. A process by which urine is voided from the urinary bladder is ..... A) Micturition. B) Countercurrent. C) Haematouria. D) Nephritis. Show Answer Correct Answer: A) Micturition. 23. The amount of CO2 inhalation will always equal the amount of CO2 exhalation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Cardiac output increases during exercise. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. Chemoreceptors which detect changes ..... A) In blood pH (acidity of blood). B) In blood viscosity (thickness of blood). C) In blood temperature. D) In blood volume. Show Answer Correct Answer: A) In blood pH (acidity of blood). ← 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 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 10Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books