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When percentage saturation of haemoglobin with O2 is plotted against the partial pressure of O2 on a graph, the curve obtained is described as

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Important Questions on Breathing and Exchange of Gases

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Gamma Question Bank for Medical Biology>Chapter 17 - Breathing and Exchange of Gases>Assignment Set - 2>Q 14
Select incorrect statement among the following.
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Gamma Question Bank for Medical Biology>Chapter 17 - Breathing and Exchange of Gases>Assignment Set - 2>Q 15
Read following sentences carefully and select the incorrect one.
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Gamma Question Bank for Medical Biology>Chapter 17 - Breathing and Exchange of Gases>Assignment Set - 2>Q 16
Basic respiratory rhythm centre is located in
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Gamma Question Bank for Medical Biology>Chapter 17 - Breathing and Exchange of Gases>Assignment Set - 2>Q 17
The partial pressure of carbon dioxide in oxygenated blood is
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Gamma Question Bank for Medical Biology>Chapter 17 - Breathing and Exchange of Gases>Assignment Set - 2>Q 18
Total volume of air expired by a person forcefully after normal inspiration is known as
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Gamma Question Bank for Medical Biology>Chapter 17 - Breathing and Exchange of Gases>Assignment Set - 2>Q 19

Match column-A with column-B and select the correct option.

Column-A Column-B
a. Medulla oblongata (i) Chemoreceptors
b. Pons varolii (ii) 'Switch-off' centre for breathing
c. Aortic arch and carotid arch (iii) Normal respiratory rhythm centre
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Gamma Question Bank for Medical Biology>Chapter 17 - Breathing and Exchange of Gases>Assignment Set - 2>Q 20

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 across diffusion membrane

c. Solubility of gases

Select the correct option.

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Gamma Question Bank for Medical Biology>Chapter 17 - Breathing and Exchange of Gases>Assignment>Q 1
Which group of animals respire through lungs?