Q. No.Consider the two statements:
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
| Statement I: | Even after exhaling as forcefully as possible, one still has air in the lungs. |
| Statement II: | The value for vital capacity is higher that the value for functional residual capacity in a healthy adult. |
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
Subtopic: Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
80%
Level 1: 80%+
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Which of the following factors affect diffusion of gases between alveoli and blood through respiratory membrane?
(a) Thickness of respiratory membrane
(b) Partial pressure gradient of gases acorss diffusion membrane
(c) Solubility of gases
Select the correct option
1. (a) and (b) only
2. (b) only
3. (a) and (c) only
4. (a), (b) and (c)
(a) Thickness of respiratory membrane
(b) Partial pressure gradient of gases acorss diffusion membrane
(c) Solubility of gases
Select the correct option
1. (a) and (b) only
2. (b) only
3. (a) and (c) only
4. (a), (b) and (c)
Subtopic: Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
91%
Level 1: 80%+
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Subtopic: Respiratory System: Transport of Gases |
88%
Level 1: 80%+
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The binding of HB with oxygen forms
| 1. | Methamoglobin |
| 2. | Carbhaminohaemoglobin |
| 3. | Oxyhaemoglobin |
| 4. | Carbaminohaemoglobin |
Subtopic: Respiratory System: Transport of Gases |
94%
Level 1: 80%+
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When percentage saturation of haemoglobin with \(O_2\) is plotted against the partial pressure of \(O_2\) on a graph, the curve obtained is described as
1. Parabola
2. Hyperbola
3. Sigmoid
4. Linear
1. Parabola
2. Hyperbola
3. Sigmoid
4. Linear
Subtopic: Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
94%
Level 1: 80%+
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The reversible conversion of CO₂ + H₂O ↔ H₂CO₃ ↔ H⁺ + HCO₃⁻ inside RBCs is catalysed by:
| 1. | Dehydrogenase | 2. | Carbonic anhydrase |
| 3. | Carboxylase | 4. | Peroxidase |
Subtopic: Respiratory System: Transport of Gases |
93%
Level 1: 80%+
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The majority of carbon dioxide produced by our body cells is transported to the lungs
| 1. | Dissolved in the blood. |
| 2. | As bicarbonates. |
| 3. | As carbonates |
| 4. | Attached to haemoglobin |
Subtopic: Respiratory System: Transport of Gases |
89%
Level 1: 80%+
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Which of the following sets of conditions is most favourable for the formation of oxyhaemoglobin in the human body?
| 1. | High pO₂, low pCO₂, high H⁺ concentration, and high temperature |
| 2. | Low pO₂, high pCO₂, low H⁺ concentration, and low temperature |
| 3. | High pO₂, low pCO₂, low H⁺ concentration, and low temperature |
| 4. | Low pO₂, low pCO₂, high H⁺ concentration, and high temperature |
Subtopic: Respiratory System: Transport of Gases |
87%
Level 1: 80%+
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Which of the following is true for transport of gases
| 1. | Maximum amount of O2 is transported by RBCs |
| 2. | Maximum amount of CO2 is transported by Plasma as Bicarbonates |
| 3. | Plasma transports both CO2 and O2 |
| 4. | All of the above |
Subtopic: Respiratory System: Transport of Gases |
93%
Level 1: 80%+
Hints
Haemoglobin is:
| 1. | An oxygen carrier in human blood |
| 2. | A protein used as a food supplement |
| 3. | An oxygen scavenger in root nodules |
| 4. | A plant protein with high lysine content |
Subtopic: Respiratory System: Transport of Gases |
94%
Level 1: 80%+
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