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MDCAT - ETEA Past Papers - Biology - Chap No 9 Quiz

Attempt 10 MCQs on MDCAT - ETEA Past Papers - Biology - Chap No 9 | Quiz 1

1. Respiratory tubules are termed as bronchioles when they attain the diameter of ----- or lesser:



2. Which of the following proteins are involved in the expansion and recoiling of alveoli during breathing?



3. Where does the Trachea lie in relation to the oesophagus?



4. Which of the following parts of the respiratory system has no cartilage?



5. The following part is common in both the digestive system and the respiratory system of human beings;



6. Breathing consists of:



7. Carboxyhaemoglobin(10-20%) is formed when CO2 combines with :



8. The total capacity of a human lung is 5 liters. What percentage of it is filled when one takes an extra deep breath?



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