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Q. No.Hamburger shift is also known as
1. bicarbonate shift
2. chloride shift
3. potassium shift
4. All of the above
Subtopic: Respiratory System: Transport of Gases |
62%
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After a deep inspiration and maximum expiration, the capacity of lungs is known as
1. vital capacity
2. tidal volume
3. IRV
4. ERV
1. vital capacity
2. tidal volume
3. IRV
4. ERV
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
81%
From NCERT
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Lower invertebrates like sponges, coelenterates, flatworms, etc., exchange O2 with CO2 by simple diffusion:
1. conducted to and from the tissues by a network of tubes.
2. over their entire body surface.
3. using their moist cuticle.
4. across the gills.
1. conducted to and from the tissues by a network of tubes.
2. over their entire body surface.
3. using their moist cuticle.
4. across the gills.
Subtopic: Respiratory Organs |
89%
From NCERT
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Consider the given two statements:
| Statement I: | The outer pleural membrane is in close contact with the thoracic lining. |
| Statement II: | The inner pleural membrane is in contact with the lung surface. |
| Statement III: | The part starting with the external nostrils up to the terminal bronchioles constitutes the respiratory or exchange part of the respiratory system. |
| Statement IV: | The alveoli and their ducts form the conducting part of the respiratory system. |
| 1. | Statement I is correct; Statement II is correct; Statement III is correct; Statement IV is correct |
| 2. | Statement I is incorrect; Statement II is incorrect; Statement III is incorrect; Statement IV is incorrect |
| 3. | Statement I is correct; Statement II is correct; Statement III is incorrect; Statement IV is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect; Statement III is correct; Statement IV is correct |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung | Respiratory Organs |
81%
From NCERT
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The thoracic chamber is formed dorsally by:
1. the vertebral column
2. the sternum
3. the ribs
4. the dome-shaped diaphragm
1. the vertebral column
2. the sternum
3. the ribs
4. the dome-shaped diaphragm
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung | Respiratory Organs |
91%
From NCERT
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Consider the given two statements:
| Assertion (A): | It is essential for breathing that the anatomical setup of lungs in thorax is such that any change in the volume of the thoracic cavity will be reflected in the lung (pulmonary) cavity. |
| Reason (R): | We cannot directly alter the pulmonary volume. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
79%
From NCERT
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Inspiration is initiated by:
1. the contraction of diaphragm
2. the relaxation of diaphragm
3. the contraction of external intercostals
4. the contraction of internal intercostals
1. the contraction of diaphragm
2. the relaxation of diaphragm
3. the contraction of external intercostals
4. the contraction of internal intercostals
Subtopic: Respiratory System: Pulmonary Ventilation |
82%
From NCERT
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Consider the given two statements:
| Assertion (A): | An increase in pulmonary volume will cause inspiration. |
| Reason (R): | An increase in pulmonary volume increases the intra-pulmonary pressure to more than the atmospheric pressure. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Respiratory System: Pulmonary Ventilation |
84%
From NCERT
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On an average, a healthy human breathes:
1. 4-8 times/minute.
2. 8-12 times/minute.
3. 12-16 times/minute.
4.16-20 times/minute.
1. 4-8 times/minute.
2. 8-12 times/minute.
3. 12-16 times/minute.
4.16-20 times/minute.
Subtopic: Respiratory System: Pulmonary Ventilation |
96%
From NCERT
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Volume of air that will remain in the lungs after a normal expiration averages:
1. 1000 mL to 1100 mL.
2. 2100 mL to 2300 mL.
3. 1100 mL to 1200 mL.
4. 2500 mL to 3000 mL.
1. 1000 mL to 1100 mL.
2. 2100 mL to 2300 mL.
3. 1100 mL to 1200 mL.
4. 2500 mL to 3000 mL.
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
From NCERT
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