This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Common Subjects > Physical Education > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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) VIP. B) Gastrin. C) Cholecystokinin. D) GLP-1. Show Answer Correct Answer: C) Cholecystokinin. 2. 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. 3. The respiratory control centre located in the ..... of the brain controls breathing. A) Respiratory muscles. B) Lungs. C) Chemo-receptor. D) Medulla Oblongata. Show Answer Correct Answer: D) Medulla Oblongata. 4. Degree of stretch and intracellular calcium affect the force of contraction A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. When food enters the pharynx, the closes the larynx, so that food does not enter the trachea. A) Larynx. B) Pharynx. C) Windpipe. D) Epiglottis. Show Answer Correct Answer: D) Epiglottis. 6. The brain stem is composed of ..... A) Brain buds and flowers. B) Spinal cord. C) Axon and vertebra. D) Medulla pons and middle brain tissue. Show Answer Correct Answer: D) Medulla pons and middle brain tissue. 7. Sprain is an injury to the- A) Bones. B) Muscles. C) Tissue. D) Ligament. Show Answer Correct Answer: D) Ligament. 8. The hyoid bone is located in the A) Chest region. B) Stomach region. C) Head region. D) Neck region. Show Answer Correct Answer: D) Neck region. 9. Factor that modifies heart rate:Epinephrine and thyroxine speed the HR. (Excess/lack of Ca, Na, and K ions also modify heart activity) A) Neural (ANS) controls. B) Hormones and ions. C) Physical Factors. D) None of the above. Show Answer Correct Answer: B) Hormones and ions. 10. Due to inadequate amounts of gas in the alveoli), resulting in the lungs collapse. A) Pulmonary edema. B) Pneumothorax. C) Acute pulmonary distress syndrome. D) Atelectasis. Show Answer Correct Answer: D) Atelectasis. 11. How are transmissions of nervous impulses from one neuron to the next conducted? A) All neurotransmitters are inhibitory. B) Neurotransmitters cannot be reabsorbed. C) The axon of one neuron touches the dendrite of the next. D) Chemical messages are carried across a space between neurons. Show Answer Correct Answer: D) Chemical messages are carried across a space between neurons. 12. Hemoglobin is present in A) Blood. B) Plasma membrane of RBC. C) Nucleus of erythrocyte. D) Tissues. Show Answer Correct Answer: B) Plasma membrane of RBC. 13. Food is pushed through your ..... and into your stomach with a series of muscle contractions. A) NECK. B) SALIVA. C) MUSCLE FIBER. D) ESOPHAGUS. Show Answer Correct Answer: D) ESOPHAGUS. 14. Which of the following best describes the Frank-Starling law of the heart? A) The heart can only pump a fixed volume of blood per beat. B) The heart contracts only when stimulated by the nervous system. C) The force of contraction increases with increased end-diastolic volume. D) The heart rate increases with increased venous return. Show Answer Correct Answer: C) The force of contraction increases with increased end-diastolic volume. 15. The shaft ( middle part )of a long bone is called A) Epiphysis. B) Metaphysis. C) Cartilage. D) Diaphysis. Show Answer Correct Answer: D) Diaphysis. 16. Define the term 'homeostasis' in relation to human physiology. A) Homeostasis is the fluctuation of body temperature during exercise. B) Homeostasis refers to the process of aging in the human body. C) Homeostasis is the maintenance of a stable internal environment in the human body. D) Homeostasis is the body's ability to grow and develop over time. Show Answer Correct Answer: C) Homeostasis is the maintenance of a stable internal environment in the human body. 17. The part of the respiratory system which carry air from the larynx to the lungs is called A) Pharynx. B) Bronchi. C) Larynx. D) Trachea. Show Answer Correct Answer: D) Trachea. 18. Normal resting myocardial O2 consumption is A) 8 mL/100 g/min. B) 3.5 mL/100 g/min. C) 2.0 mL/100 g/min. D) 15 mL/100 g/min. Show Answer Correct Answer: A) 8 mL/100 g/min. 19. When the diaphragm contracts ..... A) The volume of the thoracic cavity increases and the pressure decreases, causing air to rush into the lungs. B) The volume of the thoracic cavity decreases and the pressure increases causing air to rush out of the lungs. C) All the above. D) None of the above. Show Answer Correct Answer: A) The volume of the thoracic cavity increases and the pressure decreases, causing air to rush into the lungs. 20. When you pull your arm away from a hot object, what part of his body is the effector? A) Finger. B) Muscle. C) Brain. D) Reaction time. Show Answer Correct Answer: B) Muscle. 21. What is the primary benefit of asynchronous motor unit recruitment during prolonged muscle contractions? A) Maintains consistent force. B) Increases flexibility. C) Enhances hypertrophy. D) Prevents muscle fatigue. Show Answer Correct Answer: D) Prevents muscle fatigue. 22. Gas exchange occurs in the lungs between the alveoli and network of tiny blood vessels called A) Carina. B) Artery. C) Capillaries. D) Veins. Show Answer Correct Answer: C) Capillaries. 23. The breakdown of damaged mitochondria is called: A) Apoptosis. B) Glycolysis. C) $\beta$-oxidation. D) Mitophagy. Show Answer Correct Answer: D) Mitophagy. 24. Why are mitochondria so prevalent in skeletal muscle? A) Provide elasticity. B) Repair damage. C) Provide energy for contraction. D) Produce energy anaerobically. Show Answer Correct Answer: C) Provide energy for contraction. 25. Endurance training increases the utilization of: A) Glucose. B) Fat. C) Protein. D) None of the above. Show Answer Correct Answer: B) Fat. 26. Which option below mainly contributes to scar formation? A) Excess collagen and buildup. B) Poor diet and exercise. C) Excess melanocyte activity. D) Redness from inflammation. Show Answer Correct Answer: A) Excess collagen and buildup. 27. Cardiac myocyte contraction begins when calcium ions bind to ..... causing a configurational change. A) Troponin. B) Actin. C) Myosin. D) Tropomyosin. Show Answer Correct Answer: A) Troponin. 28. Time taken to complete one cardiac cycle A) 0.2 sec. B) 0.6 sec. C) 0.8 sec. D) 0.4 sec. Show Answer Correct Answer: C) 0.8 sec. 29. A.Oxidative Phosphorylation-1) Breathing between the atmosphere and the alveoli B.Internal respiration-2) Exchange of gases between the bloodstream and tissue cellsC.External respiration-3) Production of ATP D.Expiration-4) Exchange of gases between alveoli and the bloodstream 5) Taking in of oxygen A) (3) B. (2) C. (4) D. (1). B) (3) B. (1)C. (4) D. (5). C) (5) B. (2)C. (4) D. (1). D) (1) B. (3)C. (2) D. (5). Show Answer Correct Answer: A) (3) B. (2) C. (4) D. (1). 30. When lowering in a squat movement, what type of muscle contraction are the quadriceps experiencing? A) Isometric. B) Eccentric. C) Agonist. D) Concentric. Show Answer Correct Answer: B) Eccentric. 31. Maximum volume of air that can be expelled from the lungs is called as tidal volume. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 32. What's the normal heart-beat in a minute? A) 120 per minute. B) 60 per minute. C) 90 per minute. D) 72 per minute. Show Answer Correct Answer: D) 72 per minute. 33. FSH and LH are collectively known as ..... A) Neurohomones. B) Antistress hormones. C) Gonadotrophic hormone. D) Emergency hormone. Show Answer Correct Answer: C) Gonadotrophic hormone. 34. The trachea divides into two smaller tubes called A) Segmental bronchi. B) Primary bronchi. C) Secondary bronchi. D) Terminal bronchi. Show Answer Correct Answer: B) Primary bronchi. 35. Which structure of the nervous system is associated with thoracic outlet syndrome and traction trauma? A) Nerve plexus. B) Peripheral nerve. C) Nerve root. D) Central nervous system. Show Answer Correct Answer: A) Nerve plexus. 36. The long bones are found in the A) Upper limbs and lower limbs. B) Hands and legs. C) Both A and B. D) None of the above. Show Answer Correct Answer: C) Both A and B. 37. What is the role of red blood cells in the body? A) Red blood cells produce hormones in the body. B) Red blood cells transport oxygen and carbon dioxide in the body. C) Red blood cells are responsible for immune response. D) Red blood cells help in digestion of food. Show Answer Correct Answer: B) Red blood cells transport oxygen and carbon dioxide in the body. 38. What is VO$_{2max}$ measure? A) The max amount of oxygen utilized by a person during stressful exercise. B) The max amount of oxygen that your lungs can hold at one time. C) The max amount of carbon dioxide that your lungs can hold at one time. D) The max amount of oxygen utilized at rest. Show Answer Correct Answer: A) The max amount of oxygen utilized by a person during stressful exercise. 39. Most of the marine invertebrates are ..... A) Osmoregulaters. B) Thermoregulaters. C) Thermoconformers. D) Osmoconformers. Show Answer Correct Answer: D) Osmoconformers. 40. Smooth muscle is found where? A) The intestines. B) The heart. C) Attached to the skeleton. D) None of the above. Show Answer Correct Answer: A) The intestines. 41. The electrolyte necessary to produce action-potential within a cell or neuron is the influx of ..... A) Calcium. B) Sodium. C) Oxygen. D) Potassium. Show Answer Correct Answer: B) Sodium. 42. This condition suppresses the secretion of growth hormone A) Decreased serum cortisol levels. B) Increased serum glucose. C) Decrease thyroid hormone levels. D) Increased dopamine secretion. Show Answer Correct Answer: B) Increased serum glucose. 43. Which types of tissues consist RBC, WBC and other blood cells? A) Connective. B) Muscular. C) Nervous. D) Epithelial. Show Answer Correct Answer: A) Connective. 44. 'The volume able to be forcibly inspired during normal breathing' is ..... A) Tidal volume. B) Expiratory reserve volume. C) Inspiratory reserve volume. D) Residual volume. E) Breathing rate. Show Answer Correct Answer: C) Inspiratory reserve volume. 45. Which of the statement is wrong? A) Blood group A has anti-B antibody and has antigen A. B) Blood group O has no antibodies and antigen A and antigen B. C) Blood group AB has no antibodies and has antigen A and antigen B. D) Blood Group B has anti-A antibody and has antigen B. Show Answer Correct Answer: B) Blood group O has no antibodies and antigen A and antigen B. 46. Wound repair can be compared to repairing a home. Which phase of the healing process is similar to containing a burst pipe? A) Inflammation. B) Remodeling. C) Hemostasis. D) Proliferative. Show Answer Correct Answer: C) Hemostasis. 47. Lymph is derived from: A) Cerumen. B) Plasma. C) Interstitial fluid. D) Serous fluid. Show Answer Correct Answer: C) Interstitial fluid. 48. Which muscle fiber type is characterized by a high endurance capacity and is least likely to fatigue during prolonged activities? A) Type III. B) Type IIa. C) Type I. D) Type IIb. Show Answer Correct Answer: C) Type I. 49. What's unique about coronary artery flow A) It is relatively unaffected by cardiovascular disease. B) It increases in response to exercise. C) Is diastolically dominant. D) It is generally not involved in myocardial infarction. Show Answer Correct Answer: C) Is diastolically dominant. 50. The collar bone is and a bone of pectoral girdle A) Radius. B) Scapula. C) Ulna. D) Clavicle. Show Answer Correct Answer: D) Clavicle. 51. What is the name given to the contractile units repeated along the myofibrils? A) Fascia. B) Sarcomere. C) Perimysium. D) Fascicles. Show Answer Correct Answer: B) Sarcomere. 52. B Cells and T Cells are both: A) Lymphedema complications. B) White blood cells. C) Immune protein markers. D) Lymph channels. Show Answer Correct Answer: B) White blood cells. 53. Accumulation of ..... in the muscles causes tiredness. A) Fats. B) Sugar. C) Blood. D) Lactic acid. Show Answer Correct Answer: D) Lactic acid. 54. 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. 55. 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. 56. How is the cardiac cycle recorded? A) Electrocardiogram (ECG or EKG). B) Myogram. C) MRI image. D) Electroencephalogram (EEG). Show Answer Correct Answer: A) Electrocardiogram (ECG or EKG). 57. 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. 58. To improve VO2 max, exercise should typically be performed: A) $\geq$3 times per week. B) Once every two weeks. C) 1-2 times per week. D) Daily without rest. Show Answer Correct Answer: A) $\geq$3 times per week. 59. 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. 60. 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. ← PreviousNext →Related QuizzesCommon Subjects QuizzesClass 12 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books