This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The brain sits inside the skull and controls balance in gymnastics. A) Anatomy. B) Physiology. C) Both. D) None of the Above. Show Answer Correct Answer: C) Both. 2. When the two ends of the injured bone enter into each other it is said to be- A) Oblique fracture. B) Comminuted fracture. C) Transverse fracture. D) Impacted fracture. Show Answer Correct Answer: D) Impacted fracture. 3. Force of contraction of the heart may be increased by A) Successive application of supramaximal stimuli. B) Stimulation of the Na-Ca pump. C) Inhibition of beta-1 receptor. D) Inhibition of the Na-K pump. Show Answer Correct Answer: D) Inhibition of the Na-K pump. 4. What produces a pale grey/blue hue in the skin? A) High carotene. B) Low hemoglobin. C) High melanin. D) Low melanin. Show Answer Correct Answer: B) Low hemoglobin. 5. Sarcoplasmic reticulum A) Membranes that release calcium to stimulate muscle contraction. B) Enzyme that breaks down acetylcholine to stop muscle contraction. C) Sends messages to the nerve. D) A made up word that Este created. Show Answer Correct Answer: A) Membranes that release calcium to stimulate muscle contraction. 6. Part of the medulla oblongata that controls heart rate A) Cardiac center. B) Pericardial cavity. C) SA node. D) AV node. Show Answer Correct Answer: A) Cardiac center. 7. Acetylcholine A) Released from a nerve into the neuromuscular junction. B) Causes actin and myosin to make striations. C) Enzyme to stop a muscle contraction. D) Releases calcium into the muscle. Show Answer Correct Answer: A) Released from a nerve into the neuromuscular junction. 8. These are the carbohydrates, fats, proteins, and water. A) MACRO NUTRIENTS. B) MICRO NUTRIENTS. C) All the above. D) None of the above. Show Answer Correct Answer: A) MACRO NUTRIENTS. 9. Which of these is true of slow twitch fibres? A) They generate less force than fast twitch. B) They fatigue faster than fast twitch. C) They are used in power exercises. D) They create energy via anaerobic energy supply. Show Answer Correct Answer: A) They generate less force than fast twitch. 10. After strenuous exercise, a muscle cell would contain decreased amounts of ..... and increased amounts of ..... A) Glucose; ATP. B) ATP; glucose. C) Oxygen; lactic acid. D) Lactic acid; ATP. Show Answer Correct Answer: C) Oxygen; lactic acid. 11. Oxygen consumption (Vo2) is measured in a 70-kgsubject on a treadmill at 2500 mL per minute. This corresponds to: A) 1 metabolic equivalent (MET). B) 5 METs. C) 10 METs. D) 15 METs. Show Answer Correct Answer: C) 10 METs. 12. Which hormone promotes the thickening of the endometrium and also inhibits the hormone that promotes the development of the follicle wall into the corpus luteum? A) LH. B) Progesterone. C) FSH. D) Testosterone. Show Answer Correct Answer: B) Progesterone. 13. The respiratory system provides ..... to body tissues and removes waste products. A) Carbon dioxide. B) Lactic-acid. C) Oxygen. D) Water. Show Answer Correct Answer: C) Oxygen. 14. What to do understand by human skeletal system? A) Frame work of the body. B) It is myth. C) It is made up of steel. D) It gives good posture. Show Answer Correct Answer: A) Frame work of the body. 15. We can our vertebral column A) Freely move. B) Slightly move. C) Not move. D) It varies from individual to individual. Show Answer Correct Answer: B) Slightly move. 16. What is the role of baroreceptors in regulating arterial blood pressure? A) They have no role in regulating arterial blood pressure. B) They cause an increase in arterial blood pressure. C) They help to maintain homeostasis by signaling the cardiovascular system to adjust heart rate and blood vessel diameter in order to regulate arterial blood pressure. D) They only regulate heart rate but not blood vessel diameter. Show Answer Correct Answer: C) They help to maintain homeostasis by signaling the cardiovascular system to adjust heart rate and blood vessel diameter in order to regulate arterial blood pressure. 17. What do proteins get broken down into? A) Glucose. B) Starch. C) Oxygen. D) Amino acids. Show Answer Correct Answer: D) Amino acids. 18. The diaphragm is located ..... the lungs. A) ABOVE. B) BELOW. C) BESIDE. D) INSIDE. Show Answer Correct Answer: B) BELOW. 19. The quadriceps contract to help you jump. A) Anatomy. B) Physiology. C) Both. D) None of the above. Show Answer Correct Answer: B) Physiology. 20. The following causes the relaxation of muscles, except: A) Attachment of ATP. B) Decrease in Ca2+ ion concentration. C) Increase in Acetylcholinesterase. D) Formation of ADP. Show Answer Correct Answer: D) Formation of ADP. 21. Transmission of nerve impulse across the synapse is accomplished by ..... A) Release of ions. B) Release of neurotransmitter. C) Movement of water. D) Movement of Na+ and K+. Show Answer Correct Answer: B) Release of neurotransmitter. 22. The triceps are found at the back of the arm. A) Anatomy. B) Physiology. C) Both. D) None of the above. Show Answer Correct Answer: A) Anatomy. 23. Juxta glomerular cells of renal cortex synthesize a hormone called ..... A) ADH. B) Renin. C) Oxytocin. D) Urochrome. Show Answer Correct Answer: B) Renin. 24. One neuron and all the skeletal muscle cells it stimulates is the ..... A) Neurotransmitter. B) Neuromuscular junction. C) Motor unit. D) Synaptic cleft. Show Answer Correct Answer: C) Motor unit. 25. The cerebellum is located between the cerebrum and the brain stem in the back of the head. It helps in ..... A) Breathing and controlling blood pressure. B) Balance and coordination. C) Voluntary movement. D) Speech and hearing. Show Answer Correct Answer: B) Balance and coordination. ← 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books