Q. Hemoglobin in humans has the highest affinity for which of the following gases?
Answer: Carbon Monoxide
Notes: Hemoglobin in humans has a very high affinity for carbon monoxide, forming carboxyhemoglobin which is a very bright red in color. Carbon monoxide is thus problematic for humans because it has affinity higher than that of oxygen.

2

The above question is part of 35000+ General Studies MCQ Series Course on GKToday Android app.