This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During ..... , the diaphragm contracts and the rib cage rises up. A) INHALATION. B) EXHALATION. C) All the above. D) None of the above. Show Answer Correct Answer: A) INHALATION. 2. Slow heart rate (under 60 bpm) A) Tachycardia. B) Bradycardia. C) All the above. D) None of the above. Show Answer Correct Answer: B) Bradycardia. 3. Which type are Yogic exercises? A) Aerobic. B) Stretching. C) Balancing. D) All of above. Show Answer Correct Answer: D) All of above. 4. What are the main components of the respiratory system? A) Nose, pharynx, larynx, trachea, bronchi, lungs, and alveoli. B) Heart, arteries, veins, and capillaries. C) Stomach, intestines, liver, and pancreas. D) Skin, hair, nails, and sweat glands. Show Answer Correct Answer: A) Nose, pharynx, larynx, trachea, bronchi, lungs, and alveoli. 5. Refers to as slowchannels: A) Voltage-gated Na+ channels. B) Voltage-gated K+ channels. C) Voltage-gated Ca2+ channels. D) Na+ co-transport with glucose and amino acids. Show Answer Correct Answer: C) Voltage-gated Ca2+ channels. 6. Which of the bones do not come under the axial skeleton A) Vertebral column. B) Skull bones. C) Ribs and sternum. D) Pectoral girdle. Show Answer Correct Answer: D) Pectoral girdle. 7. This is also called as the voice box. A) DIAPHRAGM. B) LARYNX. C) PHARYNX. D) TRACHEA. Show Answer Correct Answer: B) LARYNX. 8. Which component of blood carries the majority of oxygen? A) Plasma proteins. B) Platelets. C) Haemoglobin in red blood cells. D) White blood cells. Show Answer Correct Answer: C) Haemoglobin in red blood cells. 9. Describe the main functions of the human skeletal system. A) Respiration and gas exchange. B) Hormone production and regulation. C) The main functions of the human skeletal system are support, protection, movement, blood cell production, and mineral storage. D) Digestion and nutrient absorption. Show Answer Correct Answer: C) The main functions of the human skeletal system are support, protection, movement, blood cell production, and mineral storage. 10. Identify the types of neurons and their functions. A) Sensory neurons (transmit sensory information), motor neurons (control muscle movements), interneurons (connect sensory and motor neurons). B) Cognitive neurons (process thoughts). C) Emotional neurons (regulate feelings). D) Reflex neurons (trigger automatic responses). Show Answer Correct Answer: A) Sensory neurons (transmit sensory information), motor neurons (control muscle movements), interneurons (connect sensory and motor neurons). 11. ..... spread the impulse through the ventricle wall muscles of the heart after the signal is sent through the AV bundle. A) Sinoatrial (SA) node. B) Atrioventricular (AV) node. C) Purkinje fibers. D) None of the above. Show Answer Correct Answer: C) Purkinje fibers. 12. Choloroplasts are A) Green plastids. B) Red plastids. C) Yellow plastids. D) None. Show Answer Correct Answer: A) Green plastids. 13. The primary determinants of myocardial O2 consumption, from most to leastimportant, are A) Preload > afterload > heart rate. B) Heart rate > preload > afterload. C) Afterload > preload > heart rate. D) Heart rate > afterload > preload. Show Answer Correct Answer: D) Heart rate > afterload > preload. 14. 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. 15. What is the primary target organ for glucagon? A) Pancreas. B) Liver. C) Adipose tissue. D) Muscle. Show Answer Correct Answer: B) Liver. 16. 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. 17. Oxygen from the air enters the blood stream at what location? A) Trachea. B) Bronchus. C) Alveolus. D) Bronchioles. Show Answer Correct Answer: C) Alveolus. 18. The longest bone in the human body A) Humour. B) Humer. C) Femur. D) Radial. Show Answer Correct Answer: C) Femur. 19. Decreased Heart Rate is A) Tachycardia. B) Bradycardia. C) All the above. D) None of the above. Show Answer Correct Answer: B) Bradycardia. 20. Degeneration of dopaminergic neurons has been implicated in A) Schizophrenia. B) Parkinson disease. C) Myasthenia gravis. D) Curare poisoning. Show Answer Correct Answer: B) Parkinson disease. 21. 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. 22. 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. 23. 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. 24. 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. 25. The VOLUME of blood pumped out of a ventricle with each heartbeat is known as ..... A) Heart Rate. B) Stroke Volume. C) Cardiac Output. D) Blood Pressure. Show Answer Correct Answer: B) Stroke Volume. ← 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 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 10Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books