This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Characteristic of Type II muscle fibers, EXCEPT A) Fatigable. B) Low capillary density. C) High capacity for glycolysis. D) Slow contraction velocity. Show Answer Correct Answer: D) Slow contraction velocity. 2. What is the effect of glucagon on the liver? A) Decreases glucose output. B) Inhibits gluconeogenesis. C) Increases glycogen synthesis. D) Stimulates glycogenolysis. Show Answer Correct Answer: D) Stimulates glycogenolysis. 3. The movement that occurs at a shoulder joint during a cricket bowl is ..... A) Rotation. B) Abduction. C) Extension. D) Circumduction. Show Answer Correct Answer: D) Circumduction. 4. Covers the actin and prevents the myosin head to attach to the actin (rope or strand shape). A) Tropomyosin. B) Myosin and actin. C) Calcium and Oxygen. D) Glycogen and hemoglobin. Show Answer Correct Answer: A) Tropomyosin. 5. ..... transmit impulses from the spinal cord to skeletal and smooth muscles (such as those in your stomach), and so directly control all of our muscle movements. A) Autonomic Neurons. B) Inter Neurons. C) Motor Neurons. D) Sensory Neurons. Show Answer Correct Answer: C) Motor Neurons. 6. Compliance function in the cardiovascular system A) Is mostly located in arterioles and capillaries. B) Is mostly unaffected by aging. C) Is mostly located in the aorta. D) It does not affect the afterload. Show Answer Correct Answer: C) Is mostly located in the aorta. 7. Describe the lungs: A) Thick walls filled with tiny air sacs. B) Thin flexible walls filled with cartilage and air sacs. C) Thin, soft, and flexible-they are filled with tiny air sacs. D) Football shaped organs that have thick inflexible walls. Show Answer Correct Answer: C) Thin, soft, and flexible-they are filled with tiny air sacs. 8. Increase in muscle strength is correlated to physiologic changes that occurs after strenuous activities. When will a person notice improvement of their strength? A) 2 months. B) 5 weeks. C) 1-2 weeks. D) 3-6 days. Show Answer Correct Answer: A) 2 months. 9. The role of a ligament is to ..... A) Connect bones together. B) Connect muscles to bones. C) Provide movement at a joint. D) Provide lubrication in joints. Show Answer Correct Answer: A) Connect bones together. 10. 80-90% of transpiration conducted through ..... ? A) Lenticules. B) Stomata. C) Cuticle. D) None. Show Answer Correct Answer: B) Stomata. 11. Which hormone is responsible for parturition? A) Progesteron. B) Estrogen. C) Oxytocin. D) Cortisol. Show Answer Correct Answer: C) Oxytocin. 12. Which one of these is NOT a cause of stroke volume drift (cardiovascular drift)? A) Skin blood flow increasing. B) Plasma volume decreasing (sweating). C) Decreasing core temperature. D) Venous return decreasing. Show Answer Correct Answer: C) Decreasing core temperature. 13. Which of the following is a collapsed lung A) Cystic fibrosis. B) Emphysema. C) Cyanosis. D) COPD. E) Pneumothorax. Show Answer Correct Answer: E) Pneumothorax. 14. What is the primary function of insulin? A) Stimulate glucagon secretion. B) Increase uptake of glucose and amino acids. C) Decrease glucose uptake in tissues. D) Increase blood glucose levels. Show Answer Correct Answer: B) Increase uptake of glucose and amino acids. 15. What causes air to rush into your lungs? A) The pressure of your diaphragm pushing on your pleural sacs (lungs). B) The pressure difference inside and outside of the lungs. C) The pressure being equal between the inside and outside of the lungs. D) A stiff breeze hitting you in the back of your nasal cavity. Show Answer Correct Answer: B) The pressure difference inside and outside of the lungs. 16. What is the role of the nasal cavity in respiration? A) The nasal cavity filters, warms, and moistens the air before it enters the lungs. B) The nasal cavity is responsible for gas exchange in the lungs. C) The nasal cavity produces mucus to trap pathogens and particles. D) The nasal cavity regulates blood flow to the lungs. Show Answer Correct Answer: A) The nasal cavity filters, warms, and moistens the air before it enters the lungs. 17. Why is there an increase of blood flow to your skin when exercise intensity increases? A) It is to prevent new acne from forming. B) It is to bring the blood closer to the surface to vent heat and cool the body's core temperature. C) It is to bring blood away from the kidneys and prevent urination. D) It is to allow the blood to use the sun's rays to heat up the blood and ultimately the core temperature. Show Answer Correct Answer: B) It is to bring the blood closer to the surface to vent heat and cool the body's core temperature. 18. During short bursts of intense exercise, muscles will use which of the following for fuel? A) Glucose. B) Fat. C) Creatine phosphate. D) Glycogen. Show Answer Correct Answer: C) Creatine phosphate. 19. The area located in the centre of the sarcomare containing both actin and myosin is called A) I Band. B) Z Band. C) A Band. D) S Band. Show Answer Correct Answer: C) A Band. 20. What is the significance of the pleural fluid? A) It helps in gas exchange in the lungs. B) It reduces friction between the pleurae during breathing and helps maintain lung expansion. C) It acts as a barrier against infections in the lungs. D) It increases the pressure in the thoracic cavity. Show Answer Correct Answer: B) It reduces friction between the pleurae during breathing and helps maintain lung expansion. 21. ..... are mainly sugars and starches that the body breaks down into glucose. A) CARBOHYDRATES. B) FATS. C) PROTEINS. D) VITAMINS. Show Answer Correct Answer: A) CARBOHYDRATES. 22. What is the significance of the digestive enzymes? A) They are responsible for the absorption of oxygen. B) Digestive enzymes are used for energy storage. C) They help in the production of hormones. D) Digestive enzymes are crucial for breaking down food into nutrients that the body can absorb. Show Answer Correct Answer: D) Digestive enzymes are crucial for breaking down food into nutrients that the body can absorb. 23. Cardiac output of the right side of the heart is what percentage of the cardiac output of the left side of the heart? A) 25%. B) 50%. C) 75%. D) 100%. Show Answer Correct Answer: D) 100%. 24. When we exercise our minute volume ..... A) A) Increases. B) B) Decreases. C) C) Remains the same. D) None of the above. Show Answer Correct Answer: A) A) Increases. 25. The vocal chord of the respiratory system is A) Trachea. B) Larynx. C) Pharynx. D) Windpipe. Show Answer Correct Answer: B) Larynx. ← 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 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