This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following sets of ions are needed in the muscle fiber to eventually cause a contraction? A) Sodium and potassium. B) Calcium and magnesium. C) Sodium and calcium. D) Sodium and magnesium. Show Answer Correct Answer: C) Sodium and calcium. 2. When particles move from areas of high concentration to areas less concentrated, this has taken place. A) Diffusion. B) Mitosis. C) Endocytosis. D) Photosynthesis. Show Answer Correct Answer: A) Diffusion. 3. Even if your oxygen and amino acids are at normal levels, what else do your cells need to make energy? A) Starch molecules. B) Atoms. C) Protein molecules. D) Glucose molecules. Show Answer Correct Answer: D) Glucose molecules. 4. An injury to the tendon, muscles or their junction is- A) Sprain. B) Laceration. C) Strain. D) Fracture. Show Answer Correct Answer: C) Strain. 5. The ribcage surrounds the chest and protects the lungs during exercise. A) Anatomy. B) Physiology. C) Both. D) None of the Above. Show Answer Correct Answer: C) Both. 6. How many short bones together forms thoracic? A) 15. B) 7. C) 11. D) 12. Show Answer Correct Answer: D) 12. 7. The part where the trachea bifurcates ( divide ) into right and left bronchi is called A) Cartilage. B) Carina. C) Vocal folds. D) None of the above. Show Answer Correct Answer: B) Carina. 8. Which of the following in not an objective of First Aid? A) Life safety. B) Health advantage. C) Balanced diet. D) Arrangement of medical facility. Show Answer Correct Answer: C) Balanced diet. 9. In a 28 days menstrual cycle, the ovulation occurs on the ..... th day. A) 12. B) 13. C) 14. D) 16. Show Answer Correct Answer: C) 14. 10. Which of the following is the correct order of the intrinsic conduction system? A) AV NODE-SA NODE-PURKINJE FIBERS-BUNDLES OF HIS. B) SA NODE-AV NODE-PURKINJE FIBERS-BUNDLES OF HIS. C) SA NODE-AV NODE-BUNDLES OF HIS-PURKINJE FIBERS. D) AV NODE-SA NODE-BUNDLES OF HIS-PURKINJE FIBERS. Show Answer Correct Answer: C) SA NODE-AV NODE-BUNDLES OF HIS-PURKINJE FIBERS. 11. Glycolysis occurs in ..... A) Mitochondria. B) Cytoplasm. C) Chloroplast. D) Endoplasmic reticulum. Show Answer Correct Answer: B) Cytoplasm. 12. The Primary to drive to breath A) Decrease Potassium in the arterial blood. B) Increase Nitrogen in the arterial blood. C) Decrease Oxygen in the arterial blood. D) Increase Carbon Dioxide levels in the arterial blood. Show Answer Correct Answer: D) Increase Carbon Dioxide levels in the arterial blood. 13. What does starch get broken down into? A) Proteins. B) Glucose. C) Amino acids. D) Oxygen. Show Answer Correct Answer: B) Glucose. 14. Which of the following steps occurs last in this series? A) Calcium enters the neuron and attaches to synaptic vesicles that carry acetylcholine. B) Sodium enters and an action potential occurs across the sarcolemma. C) Calcium attaches to troponin and causes a change in the shape of the tropomyosin. D) The myosin head binding sites are exposed. Show Answer Correct Answer: D) The myosin head binding sites are exposed. 15. When you kick a soccer ball forward, which muscle group is mainly responsible for extending your knee? A) Hamstrings. B) Quadriceps. C) Gluteus maximus. D) Calf muscles. Show Answer Correct Answer: D) Calf muscles. 16. Targets of the autonomic nervous system include all of the following except ..... A) Cardiac muscle. B) Endocrine glands. C) Skeletal muscle. D) Exocrine glands. Show Answer Correct Answer: C) Skeletal muscle. 17. The immediate source of energy is A) Carbohydrate. B) Fat. C) Protein. D) ATP. Show Answer Correct Answer: D) ATP. 18. The three primary factors that determine the stroke volume are ..... A) Conractility, Afterload, Overload. B) Preload, Afterload, Contractility. C) Preload, Afterload, Overload. D) Preload, Contractility, Overload. Show Answer Correct Answer: B) Preload, Afterload, Contractility. 19. What movement happens in Hinge joint? A) Circumduction. B) Rotation. C) Flexion and extension. D) Adduction and Abduction. Show Answer Correct Answer: C) Flexion and extension. 20. What is the function of the diaphragm in respiration? A) It helps in the exchange of gases in the lungs. B) It contracts to create a vacuum that pulls air into the lungs during inhalation. C) It regulates the temperature of the air entering the lungs. D) It prevents food from entering the trachea during swallowing. Show Answer Correct Answer: B) It contracts to create a vacuum that pulls air into the lungs during inhalation. 21. Which of the following statements concerning the role of Ca2+ in the contraction of skeletal muscle is correct? A) The mitochondria act as a store of Ca2+ for the contractile process. B) Ca2+ entry across the plasma membrane is important in sustaining the contraction of skeletal muscle. C) A rise in intracellular Ca2+allows actin to interact with myosin. D) The tension of a skeletal muscle fibre is partly regulated by G proteins. Show Answer Correct Answer: C) A rise in intracellular Ca2+allows actin to interact with myosin. 22. Which factor is a major contributor to slower healing responses in older individuals? A) High melanin. B) Age. C) Low hemoglobin. D) High carotene. Show Answer Correct Answer: B) Age. 23. A 52-year-old woman who has been dieting for several weeks breaks down and eats half a pan of frosted brownies. Insulin secretion following a fat-rich meal is stimulated by? A) Cholecystokinin. B) Gastrin. C) VIP. D) GLP-1. Show Answer Correct Answer: A) Cholecystokinin. 24. The job of the respiratory system is to ..... A) Take in oxygen and release carbon dioxide. B) Take in food and break it down. C) Transport molecules to and from all cells of the body. D) Make things move or change. Show Answer Correct Answer: A) Take in oxygen and release carbon dioxide. 25. The respiratory control centre located in the ..... of the brain controls breathing. A) Chemo-receptor. B) Medulla Oblongata. C) Lungs. D) Respiratory muscles. Show Answer Correct Answer: B) Medulla Oblongata. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books