CBSE Class 11 Breathing and Exchange of Gases — practice questions
15 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 Breathing and Exchange of Gases in the app →Gas exchange between alveolar air and blood is driven byVital capacity of the lungs is the sum ofDuring quiet inspiration, the diaphragmThe actual exchange of O₂ and CO₂ between blood and air happens at theWhich structure belongs to the conducting (not respiratory) zone?Insects breathe throughDuring quiet inspiration, the diaphragmResidual volume (RV) isSurfactant in the alveoliOne haemoglobin molecule can carry a maximum of how many oxygen molecules?Most CO₂ is transported in the blood asThe Bohr effect refers to the shift of the O₂-Hb dissociation curve to the RIGHT whenThe basic respiratory rhythm is generated in theEmphysema is most commonly caused byCarbon monoxide poisoning is dangerous because CO