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STD 11 - 14. Breathing and exchange in gases — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 14. Breathing and exchange in gases1 Mark
MCQ
In which form $C{O_2}$ is mostly carried by blood
  • ✓
    Bicarbonate ions
  • B
    Carbonic acid
  • C
    Carbamino compound
  • D
    Carboxyhaemoglobin
✓

Answer

Correct option: A.
Bicarbonate ions
a
(a) $C{O_2}$ is transported by blood in three forms, $7\%$ as dissolved in plasma, $23\%$ as carbaminohaemoglobin and $70\%$ as bicarbonates.

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