Zoology-(general)
NEET Zoology (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following combinations correctly describe the transport mechanisms of carbon dioxide in the blood?
A
About 70% is carried as bicarbonate, 20-25% by RBCs, and 7% dissolved in plasma.
B
All carbon dioxide is carried by RBCs in a dissolved state.
C
CO2 is only transported as bicarbonate and not dissolved or in RBCs.
D
Most CO2 is transported by plasma only.
Correct Answer
Option A
Detailed Explanation
The correct combination states that nearly 70% of CO2 is transported as bicarbonate, while 20-25% is carried by RBCs and 7% is dissolved in plasma, as mentioned in the NCERT context.
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