The main form of transport for CO2 in the blood is
Correct answer: D. bicarbonate
Most of the CO2 in the blood is transported as bicarbonate ions. A small amount is dissolved physically, and a smaller portion is bound to hemoglobin.
NCERT Biology Class 11, Chapter 14
The main form of transport for CO2 in the blood is bicarbonate: NEET Biology MCQ
Last updated: July 30, 2026
Free PDF sample
Get NEET Biology MCQs as a chapter-wise PDF.
Join early access for a free MCQ sample with answers and NCERT-aligned explanations.