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Q. No.Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?
1. High \(\mathrm{pO}_2\) and Lesser \(\mathrm{H}^{+}\) concentration
2. Low \(\mathrm{pCO}_2\) and High \(\mathrm{H}^{+}\) concentration
3. Low \(\mathrm{pCO}_2\) and High temperature
4. High \(\mathrm{pO}_2\) and High \(\mathrm{pCO}_2\)
Subtopic: Respiratory System: Transport of Gases Part 1 |
83%
From NCERT
NEET - 2024
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Match List-I with List-II
Choose the correct answer from the options given below:
1. A-I, B-III, C-IV, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-IV, D-III
| List-I | List-II | ||
| A. | Emphysema | I. | Proliferation of fibrous tissues |
| B. | Asbestosis | II. | Alveolar walls are damaged and respiratory surface is decreased |
| C. | Asthma | III. | Serious lung damage |
| D. | Fibrosis | IV. | Difficulty in breathing due to inflammation of bronchi and bronchioles |
Choose the correct answer from the options given below:
1. A-I, B-III, C-IV, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-IV, D-III
Subtopic: Respiratory Disorders: Part 1 | Respiratory Disorders: Part 2 | Respiratory Disorders - III |
88%
NEET - 2024
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In humans, the process of respiration involves the following steps:
Choose the correct sequence of steps from the options given below:
1. A →E→B→C→D
2. C →E→A→B→D
3. B →D→C→E→A
4. E →A→C→B→D
| A. | Diffusion of gases across alveolar membrane |
| B. | Diffusion of gases between blood and tissues |
| C. | Transport of gases by blood |
| D. | Utilisation of \(O_2\) by the cells for catabolic reactions |
| E. | Breathing or pulmonary ventilation |
1. A →E→B→C→D
2. C →E→A→B→D
3. B →D→C→E→A
4. E →A→C→B→D
Subtopic: Respiratory Organs |
86%
From NCERT
NEET - 2024
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-III, B-II, C-IV, D-I
2. A-II, B-I, C-IV, D-III
3. A-I, B-III, C-II, D-IV
4. A-II, B-IV, C-I, D-III
| List I | List II | ||
| 1. | Expiratory capacity | I. | Expiratory reserve volume + Tidal volume + Inspiratory reserve volume |
| 2. | Functional residual capacity | II. | Tidal volume + Expiratory reserve volume |
| 3. | Vital capacity | III. | Tidal volume + Inspiratory reserve volume |
| 4. | Inspiratory capacity | IV. | Expiratory reserve volume + Residual volume |
Choose the correct answer from the options given below:
1. A-III, B-II, C-IV, D-I
2. A-II, B-I, C-IV, D-III
3. A-I, B-III, C-II, D-IV
4. A-II, B-IV, C-I, D-III
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
77%
From NCERT
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-IV,B-III,C-II,D-I
2. A-II,B-IV,C-I,D-III
3. A-III,B-I,C-IV,D-II
4. A-I,B-II,C-III,D-IV
| List-I | List-II | ||
| A. | Residual volume | I. | Maximum volume of air that can be breathed in after forced expiration |
| B. | Vital capacity | II. | Volume of air inspired or expired during normal respiration |
| C. | Expiratory capacity | III. | Volume of air remaining in lungs after forcible expiration |
| D. | Tidal Volume | IV. | Total volume of air expired after normal inspiration |
1. A-IV,B-III,C-II,D-I
2. A-II,B-IV,C-I,D-III
3. A-III,B-I,C-IV,D-II
4. A-I,B-II,C-III,D-IV
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
94%
From NCERT
NEET - 2024
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Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
In the light of the above statements, choose the correct answer from the options given below.
| Assertion (A): | During the transporation of gases, about 20-25 percent of CO2 is carried by haemoglobin as carbamino-haemoglobin. |
| Reason (R): | This binding is related to high pCO2 and low pO2 in the tissues |
In the light of the above statements, choose the correct answer from the options given below.
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A)and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Subtopic: Respiratory System: Transport of Gases |
56%
From NCERT
NEET - 2024
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Select the sequence of steps in respiration.
Choose the correct answer from the options given below:
| (A) | Diffusion of gases (O2 and CO2) across alveolar membrane. |
| (B) | Diffusion of O2 and CO2 between blood and tissues |
| (C) | Transport of gases by the blood |
| (D) | Pulmonary ventilation by which atmospheric air is drawn in and CO2 rich alveolar air is released out. |
| (E) | Utilisation of O2 by the cells for catabolic reactions and resultant release of CO2 |
Choose the correct answer from the options given below:
| 1. | (D), (A), (C), (B), (E) | 2. | (C), (B), (A), (E), (D) |
| 3. | (B), (C), (E), (D), (A) | 4. | (A), (C), (B), (E), (D) |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
77%
From NCERT
NEET - 2023
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Vital capacity of lung is
| 1. | IRV + ERV + TV | 2. | IRV + ERV |
| 3. | IRV + ERV + TV + RV | 4. | IRV + ERV + TV - RV |
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
79%
From NCERT
NEET - 2023
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Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.
| 1. | Medulla | 2. | Pons |
| 3. | Thalamus | 4. | Cerebrum |
Subtopic: Respiratory System: Regulation of Respiration |
84%
From NCERT
NEET - 2022
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Which of the following statements are correct with respect to vital capacity?
Choose the most appropriate answer from the options given below:
1. (b), (d) and (e)
2. (a), (c) and (d)
3. (a), (c) and (e)
4. (a) and (e)
| (a) | It includes ERV, TV and IRV |
| (b) | Total volume of air a person can inspire after a normal expiration |
| (c) | The maximum volume of air a person can breathe in after forced expiration |
| (d) | It includes ERV, RV and IRV. |
| (e) | The maximum volume of air a person can breathe out after a forced inspiration. |
Choose the most appropriate answer from the options given below:
1. (b), (d) and (e)
2. (a), (c) and (d)
3. (a), (c) and (e)
4. (a) and (e)
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
73%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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