Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs:
BiologyBreathing and Exchange of GasesNEETNEET 2014
Options:
  • A as bicarbonate ions
  • B in the form of dissolved gas molecules
  • C by binding to R.B.C
  • D as carbamino-haemoglobin
Solution:
1728 Upvotes Verified Answer
The correct answer is: as bicarbonate ions

About 70% of CO2 is converted into bicarbonates inside RBCs in presence of an enzyme carbonic anhydrase. The bicarbonates are transported as salts of sodium and potassium in blood plasma as well as RBCs.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.