This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 17 Breathing And Exchange Of Gases – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 18 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Statement I-Lungs are covered by double layered pleuraStatement II-Pleural fluid increases the friction on the lungs surface. A) Statement I is true but II is not true. B) Statement II is true but I is not true. C) Both are true. D) Both are false. Show Answer Correct Answer: A) Statement I is true but II is not true. 2. Cut of centre of Pons work for A) 1 sec. B) 2 sec. C) 3 sec. D) 4 sec. Show Answer Correct Answer: C) 3 sec. 3. The tubes that go from the trachea into the lungs A) Alveoli. B) Diaphragm. C) Epiglottis. D) Bronchial tubes. Show Answer Correct Answer: D) Bronchial tubes. 4. ***** I ..... It is double layered and covers the lungs ***** II ..... Fluid between the layers reduces friction on lung-surface ***** III ..... Outer layer is in contact with thoracic wall***** IV ..... Inner layer is in contact with lungs The above features refer to- A) Pericardium. B) Peritoneum. C) Pleura. D) None. Show Answer Correct Answer: C) Pleura. 5. Following are few characters of a disorder in human body.(i) Inflammation of the mucous membrane of nasal passage.(ii) Watery secretions by mucous glands.(iii) Continuous sneezing(iv) Eye watering(v) Rise in body temperatureIdentify the disorder from the choices given below A) Diphtheria. B) Rhinitis. C) Bronchial carcinoma. D) Emphysema. Show Answer Correct Answer: B) Rhinitis. 6. Mechanical movement to inhale and exhale air A) Gas Exchange. B) Respiration. C) Breathing. D) Transport. Show Answer Correct Answer: C) Breathing. 7. Statement I-Conducting part starts from external nostrils to terminal bronchioles.Statement II-Respiratory part starts from larynx to alveoli. A) Both Statement are true. B) Both statement are false. C) Statement I is true but II is false. D) Statement I is false but I is true. Show Answer Correct Answer: C) Statement I is true but II is false. 8. Which one of the following is the incorrect statement for respiration in humans? A) Cigarette smoking may lead to inflammation of bronchi. B) Neural signals from pneumotaxic centre in pons region of brain can increase the respiratory rate. C) Workers in grinding and stone-breaking industries may suffer from lung fibrosis. D) None of these. Show Answer Correct Answer: D) None of these. 9. During winter a person died during sleep, the room was closed and a container with burnt charcoal was found in the room. What may be the possible reason of his death? A) Non-availability of carbon dioxide. B) Hb has more affinity to combine with carbon monoxide. C) Hb has more affinity to combine with carbon dioxide. D) Combined effect of both (a) and (b). Show Answer Correct Answer: B) Hb has more affinity to combine with carbon monoxide. 10. Respiratory process is regulated by certain specialized centres in the brain. One of the following listed centres can reduce the inspiratory duration upon stimulation. A) Medullary inspiratory centre. B) Pneumotaxic centre. C) Apneustic centre. D) Chemosensitive centre. Show Answer Correct Answer: B) Pneumotaxic centre. ← PreviousRelated QuizzesClass 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 1Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 2Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 3Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 4Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 5Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 6Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 7Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 8Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 9Class 11 Biology Chapter 17 Breathing And Exchange Of Gases Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books