This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why does Gestational Diabetes Mellitus (GDM) occur during pregnancy? A) Because the hormone produced by the placenta inhibits insulin action. B) Because the mother eats too much sugar during pregnancy. C) Because the baby produces too much insulin. D) Because the mother exercises too much during pregnancy. Show Answer Correct Answer: A) Because the hormone produced by the placenta inhibits insulin action. 2. What is the main transport molecule used by red blood cells to carry both oxygen and carbon dioxide through the blood vessels? A) Hemoglobin. B) Iron. C) Calcium. D) Carbon Monoxide. E) Cabonic Acid. Show Answer Correct Answer: A) Hemoglobin. 3. T-tubules A) Fast twitch muscle fibers. B) Release calcium. C) Send impulse through the muscle fiber. D) The name of a band your parents still love. Show Answer Correct Answer: C) Send impulse through the muscle fiber. 4. The skeletal system which provides the framework of the body is made up of bones, A) Ligaments and tendons. B) Joints. C) Cartilages. D) All the above. Show Answer Correct Answer: D) All the above. 5. In a chloroplast the highest number of protons are found in; A) Lumen of thylakoids. B) Inter membrane space. C) Antennae complex. D) Stroma. Show Answer Correct Answer: A) Lumen of thylakoids. 6. Lack od sufficient Red Blood Cell or Haemoglobin is called A) Anemia. B) Hydrophobia. C) Pyria. D) None. Show Answer Correct Answer: A) Anemia. 7. The role of the platelets is ..... A) Carry oxygen to the muscles. B) Fight infection. C) Carry heamoglobin. D) Blood clotting. Show Answer Correct Answer: D) Blood clotting. 8. Which hormone is primarily responsible for lowering blood glucose levels? A) Pancreatic polypeptide. B) Insulin. C) Somatostatin. D) Glucagon. Show Answer Correct Answer: B) Insulin. 9. The air we breathe in becomes warm and moist due to capillaries and hair present in the A) Nose. B) Nasal cavity. C) Paranasal sinus. D) None. Show Answer Correct Answer: B) Nasal cavity. 10. The movements that occur at the knee joint are ..... A) Abduction and Adduction. B) Rotation and Extension. C) Flexion and Extension. D) Plantarflexion and Dorsiflexion. Show Answer Correct Answer: C) Flexion and Extension. 11. To go on living, the body's cells need food, water, chemicals and ..... A) Helium. B) Oxygen. C) Nitrogen. D) Carbon Dioxide. Show Answer Correct Answer: B) Oxygen. 12. Characteristic of a cephalic phase of an integrated response to a meal A) Increase in sympathetic outflow. B) Chewing occurs. C) Stimulation of salivary gland secretion. D) Bolus of food stimulating mechanical receptors. Show Answer Correct Answer: C) Stimulation of salivary gland secretion. 13. What connects two hemispheres of the brain? A) Pons. B) Pia matter. C) Corpus callosum. D) Diencephalon. Show Answer Correct Answer: C) Corpus callosum. 14. Metabolic end products and other waste products from the fetal body are excreted intothe mother's blood through placenta A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. A patient was diagnosed to have VIPoma after biopsy. VIPoma secretes large amount of vasoactive intestinal polypeptide. Which of the following will not be seen in this patient? A) Diarrhea. B) Facial flushing. C) Hyperacidity. D) Hypokalemia. Show Answer Correct Answer: C) Hyperacidity. 16. The excitory chemical transmitter at neuromuscular junction are: A) Acetylcholine. B) Norepinephrine. C) Dopamine. D) All. Show Answer Correct Answer: A) Acetylcholine. 17. Discuss the role of sympathetic and parasympathetic nervous systems in regulating heart rate. A) Both sympathetic and parasympathetic nervous systems decrease heart rate. B) Both sympathetic and parasympathetic nervous systems regulate heart rate by either increasing or decreasing it. C) The sympathetic nervous system has no role in regulating heart rate. D) The parasympathetic nervous system only increases heart rate. Show Answer Correct Answer: B) Both sympathetic and parasympathetic nervous systems regulate heart rate by either increasing or decreasing it. 18. Fill-in-the-blank! Muscle, Fascicle, ..... , Myofibril A) Muscle fiber. B) Myofilament. C) Sarcomere. D) Actin. Show Answer Correct Answer: A) Muscle fiber. 19. ..... Muscle Contractions-when tension remains the same, muscles shorten, used in movement. A) Isometric. B) Isotonic. C) Oblique. D) None of the above. Show Answer Correct Answer: B) Isotonic. 20. Which organelle is known as the 'protein factory' of the cell? A) Lysosome. B) Nucleus. C) Ribosome. D) Cytoplasm. Show Answer Correct Answer: C) Ribosome. 21. During the systole phase of the cardiac cycle, the ventricles ..... A) Contract. B) Relax. C) All the above. D) None of the above. Show Answer Correct Answer: A) Contract. 22. The chamber of the chest is known as the ..... A) Lungs. B) Thoracic cavity. C) Diaphragm. D) Pharynx. Show Answer Correct Answer: B) Thoracic cavity. 23. During which type of muscle contraction does a muscle produce tension while being elongated? A) Concentric. B) Eccentric. C) Isometric. D) Isotonic. Show Answer Correct Answer: B) Eccentric. 24. Which node delays the ventricles from firing before fully filled? A) AV. B) SA. C) All the above. D) None of the above. Show Answer Correct Answer: A) AV. 25. Which of the following is not a factor affecting wound healing mentioned in the text? A) Age. B) Disease. C) Diet. D) Remodeling. Show Answer Correct Answer: C) Diet. ← 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