NCERT Class 11 Chapter 17 Biology Breathing and Exchange of Gases MCQ | Questions & Answers

NCERT Class 11 Chapter 17 Biology Breathing and Exchange of Gases MCQ | Questions & Answers: Greetings to you! Here we have come up with another NCERT Class 11 Chapter 17 Biology Breathing and Exchange of Gases MCQ Quiz. Give your best for it and get the instant results on submission of the answers at the end. Good luck!!!

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1. Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as

2. A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O2

3. Oxygen dissociation curve of haemoglobin is

4. Which one of the following organs in the human body is most affected due to shortage of oxygen?

5. When CO2 concentration in blood increases, breathing becomes

6. The largest quantity of air that can be expired after a maximal inspiratory effort is called

7. Which one of the following statements is incorrect ?

8. Emphysema developes mainly because of

9. During inspiration the diaphragm

10. The volume of air breathed in and out during normal breathing is called