This quiz works best with JavaScript enabled. Home > Class 12 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process which makes major difference between C$_{3 }$and C$_{4}$ plants is ; A) Calvin cycle. B) Photorespiration. C) Respiration. D) Glycolysis. Show Answer Correct Answer: B) Photorespiration. 2. What percentage of total diabetes cases is Type 1 Diabetes Mellitus? A) 10-15%. B) 50%. C) 80%. D) 5%. Show Answer Correct Answer: A) 10-15%. 3. The tiny hair-like structure which is present in the lining of bronchi are called A) Cilia. B) Goblet. C) Flagella. D) All of the above. Show Answer Correct Answer: A) Cilia. 4. Gases will always diffuse (gas exchange) from areas of ..... A) High concentration to areas of a low concentration. B) Low concentration to areas of high concentration. C) Equal concentrations to high concentration. D) High concentration to areas of equal concentration. Show Answer Correct Answer: A) High concentration to areas of a low concentration. 5. What is the respiratory rate? A) The number of breaths taken per minute, typically ranging from 12 to 20 breaths for a healthy adult. B) The amount of air inhaled and exhaled in one breath. C) The total volume of air in the lungs at maximum inflation. D) The rate at which oxygen is consumed by the body. Show Answer Correct Answer: A) The number of breaths taken per minute, typically ranging from 12 to 20 breaths for a healthy adult. 6. Which molecule does not need to be broken down before entering the cell? A) Proteins. B) Starch. C) Oxygen. D) None of the above. Show Answer Correct Answer: C) Oxygen. 7. Which term is associated with producing a pale grey/blue hue? A) High carotene. B) Low hemoglobin. C) High melanin. D) Low melanin. Show Answer Correct Answer: B) Low hemoglobin. 8. The basic rhythm of respiration isgenerated mainly by which collection of neurons in the respiratory center? A) Ventral respiratory group. B) Dorsal respiratory group. C) Pneumotaxic center. D) Apneustic center. Show Answer Correct Answer: B) Dorsal respiratory group. 9. Thrombocytopenia A) Low RBC count. B) Low platelet count. C) Hight RBC count. D) High Platelet count. Show Answer Correct Answer: B) Low platelet count. 10. When your VO2max has reached 100%, which option would have the highest blood pressure? A) Arms systolic. B) Legs systolic. C) Arms diastolic. D) Legs Diastolic. Show Answer Correct Answer: A) Arms systolic. 11. What would skeletal muscles use for fuel during aerobic respiration after exercising for 20 minutes? A) Glucose. B) Fat. C) Creatine phosphate. D) Glycogen. Show Answer Correct Answer: B) Fat. 12. 17 year old female patient with heavymenses, was noted to be pale and with easy fatigability. This may bring a decreased oxygen carrying capacity of the blood. One knows that every 1g of Hgb cancarry this much oxygen A) 2.56mL. B) 1.34 mL. C) 100 mL. D) 50 mL. Show Answer Correct Answer: B) 1.34 mL. 13. Which of the following factors does NOT directly affect the oxygen content of arterial blood? A) Haemoglobin concentration. B) Partial pressure of oxygen ( $P_{O_2}$. C) Cardiac output. D) Oxygen saturation of haemoglobin. Show Answer Correct Answer: C) Cardiac output. 14. A person with a heart rate of 75 beats per minute and stroke volume of 60 mL per beat has a cardiac output of ..... A) 4500 mL/min. B) 1.25 mL/min. C) 0.8 mL/min. D) 120 mL/min. Show Answer Correct Answer: A) 4500 mL/min. 15. What is the primary function of the Golgi Tendon Organ? A) It detects changes in blood pressure. B) It detects changes in body temperature. C) It detects changes in muscle tension. D) It detects changes in blood oxygen levels. Show Answer Correct Answer: C) It detects changes in muscle tension. 16. Blood pressure is the pressure exerted by blood against ..... A) Kidneys. B) Artery walls. C) Brain. D) Stomach. Show Answer Correct Answer: B) Artery walls. 17. The role of the atrioventricular node (AV node) is to A) Initiate a sinus rhythm. B) Conduct impulses to the sinoatrial node (SA node). C) Initiate ventricular depolarization. D) Slow down impulses so that the atria can contract to fill the adjacent ventricles with blood. Show Answer Correct Answer: C) Initiate ventricular depolarization. 18. This is a lineage specific growth factor for megakaryocytes A) G-CSF. B) GM-CSF. C) EPO. D) TPO. Show Answer Correct Answer: D) TPO. 19. Diastolic function is a measure of the ability of the myocardium to ..... and allow adequate ventricular ..... A) Contact, Filling. B) Relax, Filling. C) Relax, Contact. D) Contact, Emptying. Show Answer Correct Answer: B) Relax, Filling. 20. What is the function of the epiglottis? A) It helps in the production of sound. B) It prevents food and liquid from entering the trachea during swallowing. C) It regulates the flow of air into the lungs. D) It aids in the digestion of food. Show Answer Correct Answer: B) It prevents food and liquid from entering the trachea during swallowing. 21. The maximum force generated by a muscle depends on the relative proportions of ..... fibers that make up the muscle. A) Type 1. B) Type 2. C) Type 1 and 2. D) None of the above. Show Answer Correct Answer: C) Type 1 and 2. 22. What produces a yellow/orange hue in the skin? A) Low hemoglobin. B) High melanin. C) High carotene. D) Low melanin. Show Answer Correct Answer: C) High carotene. 23. Mr. Mac was cooking and burned his fingertips on his left hand. Which of the following is a potential consequence for the patient. A) Could cut a finger and not realize it. B) Unable to move the knuckles. C) Will be paralyzed from the elbow to the fingertips. D) None of these. Show Answer Correct Answer: A) Could cut a finger and not realize it. 24. Which adaptation does NOT occur with endurance training? A) Increased capillary density. B) Increased mitochondrial volume. C) Increased fast-twitch fiber percentage. D) Increased stroke volume. Show Answer Correct Answer: C) Increased fast-twitch fiber percentage. 25. This is located in the right atrium and is the heart's pacemaker. A) Sinoatrial (SA) node. B) Atrioventricular (AV) node. C) Atrioventricular (AV) bundle. D) Purkinje fibers. Show Answer Correct Answer: A) Sinoatrial (SA) node. ← PreviousNext →Related 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 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