NEETZoologyBreathing and Exchange of Gases
Read the following statements and choose the follwoing option: 1. Blood is the medium of transport for only O2 2. 97% of O2 is transported by RBCs in blood 3. 20% of CO2 is transported as bicarbonate 4. 7% of of O2 is carried in a dissolved state through plasma
Options
- ABoth 1 and 3 is correct
- BOnly 2 is correct
- COnly 3 is correct
- DOnly 4 is correct
Correct answer
B. Only 2 is correct
Step-by-step solution
Blood is the medium of transport for O2 and CO2 . About 97 per cent of O2 is transported by RBCs in the blood. The remaining 3 per cent of O2 is carried in a dissolved state through the plasma.