Q. Consider the following statements:
Oxygen as well as most Carbon dioxide are transported by Red Blood cells
Iron is required for transportation of Oxygen as well as Carbon Dioxide
Both Oxygen and Carbon Dioxide bind with Hemoglobin
Which among the above statements are correct ?
Answer: 3 only
Notes: Statement 1 is incorrect because Oxygen is transported by Red blood cells but Carbon Dioxide is transported as bicarbonate ion and by plasma.
Statement 2 is incorrect because Iron is a component of Hemoglobin and the 98.5% of Oxygen binds to Hemoglobin, only some part of Carbon Dioxide binds with hemoglobin which makes carbamino compounds.
Third statement is correct.
Above question is part of 10000+ MCQs for UPSC (Prelims) Paper-1 course in GKToday Android app.
