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 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Choloroplasts are A) Green plastids. B) Red plastids. C) Yellow plastids. D) None. Show Answer Correct Answer: A) Green plastids. 2. Which of these statements is correct regarding muscle contraction? A) All motor units act together. B) Muscle contraction continues for long periods after nervous stimulation ceases. C) The myosin heads bind to the actin and shorten the sarcomeres. D) Troponin is not needed to strengthen the contracting muscle cell. Show Answer Correct Answer: C) The myosin heads bind to the actin and shorten the sarcomeres. 3. What is the primary target organ for glucagon? A) Pancreas. B) Adipose tissue. C) Liver. D) Muscle. Show Answer Correct Answer: C) Liver. 4. The role of the mucus and and cilia in the respiratory system is to ..... A) Warm the air. B) Clean the air. C) Humidify the air. D) All of the choices are true. Show Answer Correct Answer: D) All of the choices are true. 5. Oxygen from the air enters the blood stream at what location? A) Bronchioles. B) Bronchus. C) Trachea. D) Alveolus. Show Answer Correct Answer: D) Alveolus. 6. Decreased Heart Rate is A) Tachycardia. B) Bradycardia. C) All the above. D) None of the above. Show Answer Correct Answer: B) Bradycardia. 7. Degeneration of dopaminergic neurons has been implicated in A) Schizophrenia. B) Curare poisoning. C) Parkinson disease. D) Myasthenia gravis. Show Answer Correct Answer: C) Parkinson disease. 8. The primary function of kidney is homeostasis A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. The amount of blood returned to the heart during diastole is referred to as preload A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Which statement best describes Type 2 Diabetes Mellitus? A) B-cells produce insulin but it is not enough and there is resistance to insulin action. B) Beta cells are destroyed by autoimmune action. C) It only affects children under 12 years old. D) It is always caused by pregnancy. Show Answer Correct Answer: A) B-cells produce insulin but it is not enough and there is resistance to insulin action. 11. Which cels engulf foreign and dead bodies A) Macrophages. B) Mast cells. C) Plasma cells. D) None of the above. Show Answer Correct Answer: A) Macrophages. 12. The VOLUME of blood pumped out of a ventricle with each heartbeat is known as ..... A) Blood Pressure. B) Cardiac Output. C) Heart Rate. D) Stroke Volume. Show Answer Correct Answer: D) Stroke Volume. 13. Hypoxia is the deprivation of oxygen at tissue level. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Why do we have a diaphragm? A) This creates a vacuum effect that pulls air into the lungs. B) It contracts and flattens when you inhale. C) Both A and B. D) Neither A and B. Show Answer Correct Answer: C) Both A and B. 15. Pair of serous membranes lining the thorax and enveloping the lungs A) Pericardium. B) Alveoli. C) Bronchi. D) Pleura. Show Answer Correct Answer: D) Pleura. 16. Seasonal breeders exhibit oestrous cycle throughout their life A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. I band ..... A band A) Another parental band favorite. B) Light band dark band. C) Dark band light band. D) Happens during a band concert. Show Answer Correct Answer: B) Light band dark band. 18. Where are your vocal cords located? A) Alveoli. B) Nose. C) Larynx. D) Lungs. Show Answer Correct Answer: C) Larynx. 19. How much air does a normal person take in a breath? A) 700ml. B) 500ml. C) 400ml. D) 900ml. Show Answer Correct Answer: B) 500ml. 20. What muscle plays a crucial role in the process of inhalation by contracting and creating a vacuum in the chest cavity? A) Diaphragm. B) Intercostal muscles. C) Abdominal muscles. D) Pectoral muscles. Show Answer Correct Answer: A) Diaphragm. 21. Mr. Shore's heart rate is 70 beats per minute and he has a stroke volume of 0.05 liters per stroke. What is his cardiac output? A) 5 Liters / minute. B) 4 Liters / minute. C) 3 Liters / minute. D) 3.5 Liters / minute. Show Answer Correct Answer: D) 3.5 Liters / minute. 22. Explain the difference between voluntary and involuntary muscles. A) Voluntary muscles are always relaxed, while involuntary muscles are always contracted. B) Voluntary muscles are controlled consciously, while involuntary muscles function automatically. C) Voluntary muscles are found in the heart, while involuntary muscles are in the limbs. D) Involuntary muscles are controlled by the brain, while voluntary muscles are not. Show Answer Correct Answer: B) Voluntary muscles are controlled consciously, while involuntary muscles function automatically. 23. This is the first part of the digestive system. It contains stratified squamous epithelium. A) ORAL CAVITY. B) CRANIAL CAVITY. C) ABDOMINAL CAVITY. D) TOOTH CAVITY. Show Answer Correct Answer: A) ORAL CAVITY. 24. What fibres allow the ventricles to contract? A) AV. B) Purkinje. C) Bundle of His. D) SA. Show Answer Correct Answer: B) Purkinje. 25. Slow twitch muscle fibres is also called as A) White muscle fibre. B) Aerobic endurance. C) Red muscle fibre. D) Anaerobic endurance. Show Answer Correct Answer: C) Red muscle fibre. 26. The muscle that works as an antagonistic pair with the gastrocnemius is the ..... A) Hamstring. B) Calf muscle. C) Tibialis Anterior. D) Gluteals. Show Answer Correct Answer: C) Tibialis Anterior. 27. What triggers the release of insulin? A) Exercise. B) Fasting. C) High blood glucose levels. D) Low blood glucose levels. Show Answer Correct Answer: C) High blood glucose levels. 28. What happens to glucose in the body when insulin is present? A) Glucose moves from the bloodstream into muscle, fat, and liver cells to be used as fuel. B) Glucose stays in the bloodstream and cannot be used. C) Glucose is turned into water and carbon dioxide. D) Glucose is stored only in the stomach. Show Answer Correct Answer: A) Glucose moves from the bloodstream into muscle, fat, and liver cells to be used as fuel. 29. What is the name of the bone in the upper arm? A) Femur. B) Humerus. C) Ulna. D) Radius. Show Answer Correct Answer: B) Humerus. 30. What opening does the epiglottis cover? A) The esophagus. B) The glottis/trachea. C) The nasal cavity. D) The larynx. Show Answer Correct Answer: B) The glottis/trachea. 31. What refers to the activation of the force-generating sites within muscle fibers? A) Muscle Shortening. B) Cross-Bridge Movement. C) Sliding Filament Model. D) Muscle Contraction. Show Answer Correct Answer: D) Muscle Contraction. 32. A process by which urine is voided from the urinary bladder is ..... A) Micturition. B) Countercurrent. C) Haematouria. D) Nephritis. Show Answer Correct Answer: A) Micturition. 33. The amount of CO2 inhalation will always equal the amount of CO2 exhalation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 34. Cardiac output increases during exercise. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. Chemoreceptors which detect changes ..... A) In blood pH (acidity of blood). B) In blood volume. C) In blood temperature. D) In blood viscosity (thickness of blood). Show Answer Correct Answer: A) In blood pH (acidity of blood). 36. What is the primary function of the respiratory system? A) To facilitate gas exchange, providing oxygen to the body and removing carbon dioxide. B) To circulate blood throughout the body. C) To digest food and absorb nutrients. D) To regulate body temperature and maintain homeostasis. Show Answer Correct Answer: A) To facilitate gas exchange, providing oxygen to the body and removing carbon dioxide. 37. Vessel/Area relationships. As we go from the aorta to the capillaries A) The mean blood velocity increases in each generation of the vascular tree. B) The vascular tree presents an area increasing pattern. C) Pressure experiences the largest drop at the level of the large arteries. D) Pulsatility in flow increases. Show Answer Correct Answer: B) The vascular tree presents an area increasing pattern. 38. Which of the following is a genetic or autoimmune risk factor for Diabetes Mellitus? A) IDDM, which attacks alpha and beta cells, and NIDDM, which is hereditary. B) Eating too much sugar and carbohydrates. C) Being over 40 years old. D) Having a viral infection during pregnancy. Show Answer Correct Answer: A) IDDM, which attacks alpha and beta cells, and NIDDM, which is hereditary. 39. The functions of the Lymph System are: A) Elimination of gaseous waste. B) Hormone balance. C) Disease fighting function. D) Movement and posture. Show Answer Correct Answer: C) Disease fighting function. 40. During atrial contraction and ventricular filling, A) The semilunar valves are open. B) The AV valves are open. C) The atria are relaxed. D) The ventricles are contracted. Show Answer Correct Answer: B) The AV valves are open. 41. Which hormone is secreted by the F (PP) cells? A) Insulin. B) Pancreatic polypeptide. C) Somatostatin. D) Glucagon. Show Answer Correct Answer: B) Pancreatic polypeptide. 42. Which male hormone is responsible for secondary sexual characters? A) Androgen. B) Testosteron. C) Progesteron. D) Estrogen. Show Answer Correct Answer: B) Testosteron. 43. What effect does foreign matter in the trachea have on ventilation in a healthy adult? A) An increase in the rate and depth of breathing is activated. B) The cough reflex is activated. C) Apnea is triggered. D) The sneeze reflex is activated. Show Answer Correct Answer: B) The cough reflex is activated. 44. At which stage of the Cardiac Cycle do you hear the 4th Heart sound? A) Atrial Systole. B) Rapid Ventricular Ejection. C) Rapid Ventricular filling. D) Diastasis. Show Answer Correct Answer: A) Atrial Systole. 45. In sports injuries the three 'P's are the aim of- A) Exercise. B) First aid. C) Fracture treatment. D) Emergency measures. Show Answer Correct Answer: B) First aid. 46. During exercise, more blood is sent to the skeletal muscle than to the kidneys. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 47. Which of the following best explains why blood flow to the digestive system decreases during exercise? A) Decreased cardiac output. B) Increased local metabolic activity in the gut. C) Increased parasympathetic stimulation. D) Sympathetic vasoconstriction of splanchnic vessels. Show Answer Correct Answer: D) Sympathetic vasoconstriction of splanchnic vessels. 48. 57-year-old woman undergoes resection of the terminal ileum as part of treatment for her chronic inflammatory bowel disease. Removal of the terminal ileum will most likely result in which of the following? A) Increased excretion of fatty acids. B) Increased bile acid concertation in the enterohepatic circulation. C) Decreased glucose absorption. D) Decreased water content of the feces. Show Answer Correct Answer: A) Increased excretion of fatty acids. 49. Where is calcium stored inside a sarcomere? A) Sacroplasmic-Transverse Tubule Complex. B) Sarcoplasmic Reticulum. C) H-zones. D) T-Tubules. Show Answer Correct Answer: B) Sarcoplasmic Reticulum. 50. On average, endurance training increases VO2 max by: A) 35-40%. B) 5-10%. C) 25-30%. D) 15-20%. Show Answer Correct Answer: D) 15-20%. 51. An individual has a lighter skin tone, while another individual has a darker skin tone. Which statement below best describes the reason? A) The lighter skin tone has more hemoglobin. B) The darker skin tone has more active melanocytes. C) The darker skin tone has more melanocytes. D) The lighter skin tone has fewer keratinocytes. Show Answer Correct Answer: B) The darker skin tone has more active melanocytes. 52. Chemoreceptors send signals to the medulla oblongata to cause breathing rate to change-how does this occur? A) Signals are sent through the lungs and then to the medulla oblongata. B) Signals are sent to the respiratory muscles and then to the medulla oblongata. C) Increases the frequency of signals to the respiratory muscles. The respiratory muscles contract at a faster rate. D) None of the above. Show Answer Correct Answer: C) Increases the frequency of signals to the respiratory muscles. The respiratory muscles contract at a faster rate. 53. What is the role of the alveoli? A) To remove air. B) Allow air to travel to the alvelous. C) Gaseous exchange and diffusion. D) None of the above. Show Answer Correct Answer: C) Gaseous exchange and diffusion. 54. 'The volume able to forcibly expired, after a normal breathe' is ..... A) Inspiratory reserve volume. B) Tidal volume. C) Expiratory reserve volume. D) Residual volume. E) Breathing rate. Show Answer Correct Answer: C) Expiratory reserve volume. 55. Muscle contraction and relaxation based on which theory A) Sliding filament theory. B) Action potential theory. C) Jumping filament theory. D) Dipole theory. Show Answer Correct Answer: A) Sliding filament theory. 56. Describe the mechanism of action of the baroreceptor reflex in response to changes in blood pressure. A) The baroreceptor reflex only affects the kidneys, not the brain and heart. B) The baroreceptor reflex responds to changes in temperature, not blood pressure. C) The baroreceptor reflex detects changes in blood pressure and sends signals to the brain and heart to regulate it. D) The baroreceptor reflex has no role in regulating blood pressure. Show Answer Correct Answer: C) The baroreceptor reflex detects changes in blood pressure and sends signals to the brain and heart to regulate it. 57. What is the definition of the Cardiac Cycle? A) The contraction of the atria. B) The sequence of events that occur during one complete heartbeat. C) The contraction and relaxation of the ventricles. D) The circulation of blood in the heart. Show Answer Correct Answer: B) The sequence of events that occur during one complete heartbeat. 58. The ion necessary to produce muscle contraction is ..... A) Sodium. B) Calcium. C) Potassium. D) ATP. Show Answer Correct Answer: B) Calcium. 59. Mitral Valve is present in between A) Right atrium and Left ventricle. B) Right and Left ventricle. C) Left ventricle and Aorta. D) Left atrium and Left ventricle. Show Answer Correct Answer: D) Left atrium and Left ventricle. 60. Normal resting coronary artery blood flow is A) 75 mL/100 g/min. B) 40 mL/100 g/min. C) 120 mL/100 g/min. D) 10 mL/100 g/min. Show Answer Correct Answer: A) 75 mL/100 g/min. ← 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books