This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The strength of a muscle is determine mainly by its what? A) Weight. B) Size. C) Shape. D) None of the above. Show Answer Correct Answer: B) Size. 2. Assertion (A):During heavy exercise the anabolic process of carbohydrate occurs in our bodyReason (R ):Heavy exercise needs more energy so glucose is converted into pyruvic acid. A) Statement A is wrong but R is correct. B) Both statements are false. C) Both statements are correct. D) Statement A is true but R is wrong. Show Answer Correct Answer: A) Statement A is wrong but R is correct. 3. How is the cardiac cycle recorded? A) Electrocardiogram (ECG or EKG). B) Electroencephalogram (EEG). C) MRI image. D) Myogram. Show Answer Correct Answer: A) Electrocardiogram (ECG or EKG). 4. The normal urinary output is 3L/day A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. To improve VO2 max, exercise should typically be performed: A) 1-2 times per week. B) $\geq$3 times per week. C) Daily without rest. D) Once every two weeks. Show Answer Correct Answer: B) $\geq$3 times per week. 6. Main function of the respiratory system are ..... A) Pulmonary circulation & gas exchange. B) Pulmonary ventilation & gas exchange. C) Thermoregulation & gas exchange. D) None of the above. Show Answer Correct Answer: B) Pulmonary ventilation & gas exchange. 7. What is the most important physiological factor that enhances cardiac contractility? A) Epinephrine. B) Norepinephrine. C) Growth hormones. D) None of the above. Show Answer Correct Answer: B) Norepinephrine. 8. Hip joint is an example of which type of joint A) Hinge joint. B) Pivot joint. C) Saddle joint. D) Ball and socket joint. Show Answer Correct Answer: D) Ball and socket joint. 9. What is the specific neurotransmitter that stimulates the movement of skeletal muscles? A) GABA. B) Acetylcholine. C) Serotonin. D) Dopamine. Show Answer Correct Answer: B) Acetylcholine. 10. One key feature of the alveoli that aid in gaseous exchange is ..... A) They give the lungs a large surface area. B) They have moist, thin walls. C) They are one cell thick. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. The muscle responsible for hip extension is the ..... A) Hip flexor. B) Gluteals. C) Quadriceps. D) Lateral obliques. Show Answer Correct Answer: B) Gluteals. 12. What are the factors that affect stroke volume during the cardiac cycle? A) Diet, stress levels, and sleep patterns. B) Preload, afterload, and contractility. C) Blood pressure, heart rate, and cholesterol levels. D) Lung capacity, body temperature, and exercise frequency. Show Answer Correct Answer: B) Preload, afterload, and contractility. 13. Physical Exercises which are done in the presence of oxygen are called ..... exercises? A) Isokinetic. B) Anaerobic. C) Isometric. D) Aerobic. Show Answer Correct Answer: D) Aerobic. 14. The neurotransmitter always used at the neuromuscular junction is: A) It depends upon the type of muscle being innervated. B) Noradrenaline. C) Acetylcholine. D) Dopamine. Show Answer Correct Answer: C) Acetylcholine. 15. How does oxygen exchange occur in the respiratory system? A) Oxygen exchange occurs in the alveoli of the lungs through diffusion. B) Oxygen exchange happens in the stomach during digestion. C) Oxygen is absorbed directly through the skin in the respiratory system. D) Oxygen exchange occurs in the trachea through active transport. Show Answer Correct Answer: A) Oxygen exchange occurs in the alveoli of the lungs through diffusion. 16. Which of the following hormone is responsible for ovulation? A) LH. B) FSH. C) Progesterone. D) Testosterone. Show Answer Correct Answer: A) LH. 17. The equation for Cardiac Output is ..... A) CO = Heart rate x Tidal volume. B) CO = Heart rate x Stroke volume. C) CO = Heart rate x intensity of exercise. D) CO = Stroke volume x age. Show Answer Correct Answer: B) CO = Heart rate x Stroke volume. 18. Which heart sound is caused by closure of Tricuspid valve and bicuspid valve A) Lubb. B) Dubb. C) All the above. D) None of the above. Show Answer Correct Answer: A) Lubb. 19. Mechanism of regulation, between the organism and its environment of solutes and the loss and gain of water is known as A) Homeostasis. B) Hemostasis. C) Thermoregulation. D) Osmoregulation. Show Answer Correct Answer: D) Osmoregulation. 20. Concerning the Cross Bridge Cycle, When ADP leaves the myosin head, the ..... A) The myosin head goes into the cocked or ready position. B) Myosin head pulls on the actin and the sarcomere shortens. C) The myosin head enters the high energy state and only binds to the actin filament. D) The myosin head enters the low energy state. Show Answer Correct Answer: B) Myosin head pulls on the actin and the sarcomere shortens. 21. Name of the bones in eyes A) Frontal bone. B) Sphenoid bone. C) Ethmoid bone. D) Zygomatic bone. Show Answer Correct Answer: C) Ethmoid bone. 22. Lack of oxygen to the brain can make the person feel ..... A) Hyperactive. B) Sleepy. C) Depressed. D) Gasping for air. Show Answer Correct Answer: B) Sleepy. 23. The nose is divided into two halves by the nasal ..... A) CAVITY. B) CILIA. C) SEPTUM. D) SINUS. Show Answer Correct Answer: C) SEPTUM. 24. Who proposed Imbibition theory? A) Boehm. B) Sachs. C) Unger. D) Bose. Show Answer Correct Answer: C) Unger. 25. What is an example of Innate Immunity? A) Barriers. B) Vaccines. C) Scabs. D) Swollen lymph nodes. Show Answer Correct Answer: A) Barriers. ← 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