CH-13 Gaseous ExchangeBy abdulslambsn@gmail.com / October 6, 2025 Welcome To Your Quiz "CH-13 Gaseous Exchange" Click on "Start Quiz" To Continue... 1. In which of the following processes ATP is produced? Breathing Ventilation Organismic respiration Cellular respiration None 2. Number of stomata per square centimeter of a leaf are: 10,000 12,000 14,000 16,000 None 3. The percentage of rubisco in the leave is: 10% 20% 30% 40% None 4. Number of ATP produced during photorespiration is: 36 26 16 None of the above None 5. Which of the following structures is not involved for the absorption of oxygen in cockroach? Tracheae Skin Spiracles Tracheoles None 6. Which of the following special structure is present in the respiratory system of man? Bronchi Parabronchi Alveoli None 7. The sheet of skeletal muscle between abdominal and thoracic cavity is called: Pleura Diaphragm Air sac Alveoli None 8. The maximum capacity of 100 ml blood to absorb oxygen is: 10 ml 20 ml 30 ml 40 ml None 9. The carbon dioxide transported in the form of carbonate ions is called: 30% 50% 70% 90% None 10. The amount of oxygen in exhaled air is: 12% 14% 16% 18% None 11. The total lung capacity is: 3 liters 5 liters 7 litres 9 liters None 12. Which step does not take place during cellular respiration? Exchange of gasses Breakdown of glucose Formation of glucose Release of energy None 13. Photorespiration is an activity which: Takes place in the presence of light Takes place in dark Can take place both in light and dark None of the above None 14. In which of the following, reactions of photo respiration do not take place? Chloroplast Mitochondria Peroxisome Cytoplasm None 15. Which of the following is not property of respiratory surface of hydra: Large surface and moisture Thick epithelium Gradient of gasses Capillary network None 16. The gasses are transported in cockroach through: Blood Trachea Spiracles None of above None 17. Which type of respiration takes place through skin in frog? Cutaneous respiration Buccal respiration Pulmonary respiration None of the above None 18. The respiratory system of the bird is more efficient than the mammals because: It have air sacs It has one way flow of gasses It does not have alveoli It has countercurrent flaw None 19. Which of the following structure is present in birds but absent in mammals? Lung Trachea Bronchi Parabronchi None 20. Which of the following processes does not take place during expiration? The intercostals muscles are relaxed The ribs are relaxed The muscles of the diaphram relaxed The lungs are also relaxed None 21. The maximum capacity of haemoglobin to absorb oxygen is: 19.6 ml / 100 ml blood 20 ml / 100 ml blood 22 ml / 100 ml of blood 25 ml / 100 ml blood None 22. The oxygen pressure in many of the cells is: 40 mm Hg 50 mm Hg 60 mm Hg None of the above None 23. An inflammatory substance released during the attack of asthma is: Interferon Compliment proteins Histamine Acetylcholine None 24. Water is denser than air: 8000 time 800 times 80,000 times 1800 times None 25. The main tracheal trunk in cockroach communicates with exterior by: 8 pairs 4 pairs 10 paris 100 pairs None 26. The normal human blood is about: 02 ml / 100 ml of blood 200 ml / 100 ml of blood 20 ml / 100 ml of blood 19.6 ml / 100 ml of blood None 27. Oxygen content of fresh air is about: 200 ml /lit 100 ml/lit 300 ml/lit 400 ml/lit None 28. Oxygen combines to haemoglobin with form: Respiratory Oxygen Oxyhemoglobin Organ None 29. From the spiracles air enters into trachea and then: Bronchiolar Tracheoles Both A and B None of the above None 30. Normally at rest we inhale and exhale how many times per minute? 16 - 22 18 - 25 15 - 20 20 - 30 None 31. Cancer is basically malignant tumor: Muscle fiber 20% Sheet skeletal muscle Corncinoma None 32. What percentage of carbon dioxide is carried as carboxy haemoglobin? 15% 10% 20% 12% None 33. Diffusion of oxygen in and carbon dioxide out occurs when: The muscles of the ribs are contracted The muscles of the ribs are relaxed Both A and B Difference in partial pressure of the gasses None 34. In the glottis the mucous membrane is stretched across into fibrous bands: The muscles of the ribs are contracted The muscles of the ribs are relaxed Voccal cords Difference in partial pressure of gasses None 35. Number of stomata present on the leaves: Air existing in the spaces between the soil particles Lungs in the land vertebrates Bronchioles are obstructed as a result of inflammation 12,000 per square centimeters of leaf in Tobacco plant mera Ki karni None 36. Carbon dioxide: Cetaceans Regulator of normal alveolar Stores some oxygen Mycobacterium None 37. 70% carbondioxide: Regulator of normal alveolar Stores some oxygen Cetaceans Carried as bicarbonate ions None 38. The roots of the land plants get oxygen: Air existing in the space between the soil particles Lungs in the land vertebrates Air sac 12000 per square centimeters of leaf in tobacco plant None 39. Their functional unit of the lungs: Bronchioles Lungs in the land vertebrates Air existing in the spaces between the soil particles Air sac None 40. In the glottis the mucous membrane is stretched across in to the fibrous bands: The muscles of the ribs are contacted The muscles of the ribs are relaxed Voccal cords Difference in partial pressure of the gases None 1 out of 8 Thanks For Taking This Quiz - Please See Your Answers/Results Below After Entering Your Name & Email... Name Email Time's up
