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

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 14. Breathing and exchange in gases1 Mark
MCQ
Identify correct sentence.
  • ✓
    When $PCO_2$ is high and $PO_2$ is low as in the tissue, more binding of carbon dioxide occurs.
  • B
    Fibrosis is a disorder of digestive system.
  • C
    Solubility of $CO_2$ is $20 -25$ times lower than that of $O_2$
  • D
    Carbonic anhydrase is very less in $RBC$ than that of plasma.
✓

Answer

Correct option: A.
When $PCO_2$ is high and $PO_2$ is low as in the tissue, more binding of carbon dioxide occurs.
a

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