Match List I with List II: 
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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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 |
 84%
From NCERT
NEET - 2024
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Match List-I with List-II
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 |
 89%
NEET - 2024
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In humans, the process of respiration involves the following steps:
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
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
Subtopic:  Respiratory Organs |
 87%
From NCERT
NEET - 2024
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Assertion (A):  Smoking increases the carbon monoxide (CO) content in the blood which has a greater
affinity to hemoglobin than oxygen. 
Reason (R):  CO forms a stable bond with haemoglobin and does not allow the binding of oxygen. It reduces the concentration of heme bounded oxygen and causes oxygen deficiency in the body.
 
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.
Subtopic:  Respiratory System: Transport of Gases |
 69%
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Match the organism in Column I with the respiratory surface Column II. 
Column I Column II
i.  Planaria  a.  Book gills 
ii.  Limulus  b.  External gills 
iii.  Turtles  c.  Body surface 
iv.  Amphibian tadpoles  d.  Cloaca 
1. i-a, ii-c, iii-b, iv-d 
2. i-b, ii-d, iii-c, iv-a
3. i-c, ii-a, iii-d, iv-b 
4. i-d, ii-b, iii-a, iv-c 
Subtopic:  Respiratory Organs |
 78%
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Match the animals in column - I with their respiratory surface / organs in column II and select the correct option 
Column I Column II
(a) Newts and tadpoles  i.  Plasma membrane 
(b)  Platyhelminthes  ii.  External gills 
(c)  Reptiles  iii.  Body surface 
(d)  Protists  iv.  Lungs 
1. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv) 
2. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
3. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
4. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
Subtopic:  Respiratory Organs |
 82%
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Match the following columns and select the correct option:
Column I  Column II
i.  Pneumotaxic Centre  a.  Alveoli 
ii.  \(O_2\) Dissociation curve  b.  Pons region of brain 
iii.  Carbonic Anhydrase  c.  Haemoglobin 
iv.  Primary site of exchange of gases  d.  R.B.C. 
1. (i)-(b), (ii)-(c), (iii)-(d), (iv)-(a)
2. (i)-(c), (ii)-(b), (iii)-(d), (iv)-(a)
3. (i)-(d), (ii)-(a), (iii)-(c), (iv)-(b)
4. (i)-(a), (ii)-(c), (iii)-(b), (iv)-(d)
Subtopic:  Respiratory System: Regulation of Respiration |
 91%
From NCERT
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Match the items given in Column I with those in Column II and select the correct option given below: 
Column I  Column II
i.  Tidal volume  a.  2500 - 3000 mL 
ii.  Inspiratory Reserve Volume  b.  1100 - 1200 mL 
iii.  Expiratory Reserve Volume  c.  500 - 550 mL 
iv.  Residual volume  d.  1000 - 1100 mL
1. i-a, ii-d, iii-c, iv-b 
2. i-c, ii-a, iii-d, iv-b 
3. i-c, ii-b, iii-a, iv-d 
4. i-d, ii-c, iii-b, iv-a 
Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
 88%
From NCERT
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Match the columns and choose the correct option. 
Column 'I'  Column 'II' 
i.  Protists  a.  Book lungs 
ii.  Arachnids  b.  Plasma membrane 
iii.  Insects  c.  Cloaca 
iv.  Turtles  d.  Tracheal tubes 
1. (i-a); (ii-c); (iii-b); (iv-d)
2. (i-c); (ii-a); (iii-b); (iv-c)
3. (i-b); (ii-a); (iii-d); (iv-c)
4. (i-c); (ii-b); (iii-a); (iv-d)
Subtopic:  Respiratory Organs |
 81%
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