10th Biology Chapter 1 Gaseous Exchange
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | Amount of Carbon dioxide in inspired air is: | 16% | 0.04% | 4% | None of these | 2 | Which one is form of allergy? | Asthma | Bronchitis | Pneumonia | Lung cancer | 3 | Which of the following lessens the oxygen carrying capacity of hemoglobin? | Tar | Carbon dioxide | Nicotine | Carbon monoxide | 4 | Lungs are organ which are: | Spongy | Elastic | Spongy and elastic | Tough | 5 | Which remains unaffected in expired air? | O2 | CO2 | N2 | Water vapors | 6 | Percentage of carbon dioxide in exhaled air is: | 16% | 4% | 79% | 0.04% | 7 | Total chemicals in Tobacco smoke are: | 1000 | 2000 | 3000 | 4000 | 8 | Air passageway starts from: | Nose | Pharynx | Trachea | Bronchi | 9 | In humans and other higher animals, exchange of gases occur through: | Skin | Respiratory surface | Air passageway | Lungs | 10 | How many lobes are present in right lung? | 2 | 3 | 4 | 5 | 11 | A disease involving breakdown of air sacs of lungs is called: | Pneumonia | Bronchitis | Asthma | Emphysema | 12 | Cluster of pouches found in respiratory system: | Bronchi | Alveoli | Bronchioles | Trachea |