| 1. | Dome-shaped part under chest is called |
| a. | lungs |
| b. | bronchi |
| c. | diaphragm |
| d. | alveoli |
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Answer: (c).diaphragm
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| 2. | Respiration which takes place during day time is called |
| a. | aerobic |
| b. | respiration |
| c. | photorespiration |
| d. | anaerobic |
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Answer: (c).photorespiration
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| 3. | Tiny thin walled ducts which are present in lungs of birds are called |
| a. | alveoli |
| b. | bronchi |
| c. | parabronchi |
| d. | bronchioles |
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Answer: (c).parabronchi
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| 4. | In humans' ciliated epithelium, mucus membrane filter foreign particles to enter in |
| a. | oral cavity |
| b. | nasal cavity |
| c. | buccal cavity |
| d. | digestive tract |
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Answer: (b).nasal cavity
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| 5. | Respiration at organism level is known as |
| a. | breathing |
| b. | ventilation |
| c. | Both a and b |
| d. | inhalation |
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Answer: (c).Both a and b
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