This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is an example of an isometric exercise? A) Push ups. B) Dead lifts. C) Wall sit. D) The lowering phase of a bench press. Show Answer Correct Answer: C) Wall sit. 2. Gases move from a lower pressure to a higher pressure. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. A person's lungs are of the same size. A) True. B) False. C) None. D) None. Show Answer Correct Answer: B) False. 4. A normal heart rate in an adult at rest is ..... A) 110. B) 125. C) 60. D) 75. Show Answer Correct Answer: D) 75. 5. XVO2 max decreases approximately how much within 12 days of detraining? A) 2%. B) 8%. C) 15%. D) 25%. Show Answer Correct Answer: B) 8%. 6. The diaphragm contracts and flattens in ..... A) Inhalation. B) Exhalation. C) All the above. D) None of the above. Show Answer Correct Answer: A) Inhalation. 7. Cholecystokinin inhibits A) Pancreatic HCO3-secretion. B) Gastric emptying. C) Contraction of gallbladder. D) Relaxation of sphincter of Oddi. Show Answer Correct Answer: B) Gastric emptying. 8. The biceps are located in the upper arm. A) Anatomy. B) Physiology. C) Both. D) None of the above. Show Answer Correct Answer: A) Anatomy. 9. Choose the correct statement / statements A) The auditory ossicles are under axial skeleton. B) The auditory ossicles are six in number. C) The stapes are the smallest bone in the human body. D) All are correct. Show Answer Correct Answer: D) All are correct. 10. Leukopenia A) Low WBC count. B) HIgh WBC count. C) Low RBC count. D) Hight WBC count. Show Answer Correct Answer: A) Low WBC count. 11. During physical exercise, which of the following changes occur in the respiratory system to meet the increased oxygen demand? A) Decreased breathing rate. B) Decreased tidal volume. C) Increased breathing rate. D) Decreased oxygen uptake. Show Answer Correct Answer: C) Increased breathing rate. 12. Pulmonary ventilation (VE) = ..... X ..... A) Residual volume X Breathing rate. B) Expiratory reserve volume X Residual volume. C) Tidal volume X Breathing rate. D) Vital capacity X Breathing rate. Show Answer Correct Answer: C) Tidal volume X Breathing rate. 13. ..... Does not determine physical fitness. A) Strength and speed. B) Inflexibility. C) Stamina. D) Endurance. Show Answer Correct Answer: B) Inflexibility. 14. A synaptic connection between a neuron and a muscle cell is called a ..... A) Dendrite. B) Action potential. C) Neuromuscular junction. D) Synapse. Show Answer Correct Answer: C) Neuromuscular junction. 15. How does the cardiovascular system support other body systems? A) It regulates body temperature by absorbing heat. B) It circulates oxygen only to the lungs. C) It produces hormones for digestion. D) The cardiovascular system supports other body systems by delivering essential substances and removing waste. Show Answer Correct Answer: D) The cardiovascular system supports other body systems by delivering essential substances and removing waste. 16. Hypertrophy of the heart takes place A) In the septum. B) The Left Atrium. C) The Aorta. D) The left Ventricle. Show Answer Correct Answer: D) The left Ventricle. 17. Fluid filled cavity in the brain is called as ..... A) Matter. B) Cavity. C) Meninges. D) Ventricles. Show Answer Correct Answer: D) Ventricles. 18. This is also called as the windpipe. A) DIAPHRAGM. B) LARYNX. C) PHARYNX. D) TRACHEA. Show Answer Correct Answer: D) TRACHEA. 19. Afterload is the same as Mean arterial pressure A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. When oxygen goes in the body, to the muscles then carbon dioxide leaves muscles by blood to lungs-known as: A) External Respiration. B) Internal Respiration. C) Cellular Respiration. D) None of the above. Show Answer Correct Answer: B) Internal Respiration. 21. What does a spasm of the diaphragm cause? A) Cough. B) Sneeze. C) Hiccup. D) Yawn. Show Answer Correct Answer: C) Hiccup. 22. Which of the following structures is referred to as the "capacitor of the neuron" and promotes saltatory transmission? A) Myelin sheath. B) Nodes of Ranvier. C) Axon hillock. D) None of the above (NOTA). Show Answer Correct Answer: D) None of the above (NOTA). 23. Which describes the structure of myofibrils? A) Short branched fibers. B) Long cylinders made of sarcomeres. C) Fluid sacs storing calcium. D) Thin supporting filaments. Show Answer Correct Answer: B) Long cylinders made of sarcomeres. 24. Which metabolic pathway is anaerobic, has medium amounts of mitochondria, and creates lactic acid A) Creatine Phosphate. B) Fermentation. C) Cellular Respiration. D) None of the above. Show Answer Correct Answer: B) Fermentation. 25. Ca$^{2+}$ causes ..... to bind to the thin filament, bringing thick and thin filaments closer together. A) Sodium. B) Potassium. C) Titin. D) Phosphate. Show Answer Correct Answer: C) Titin. ← 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