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MODEL PAPER 10 — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYMODEL PAPER 101 Mark
MCQ
Mark the incorrect statement in context to $O _2$.binding to Hb:
  • A
    Lower temperature
  • B
    Higher pH
  • C
    Lower p$CO _2$
  • D
    Higher p$O _2$
✓

Answer

(b) Higher pH
Explanation: In the alveoli, there is high $pO _2$, low $pCO _2$, lesser $H ^{+}$ concentration and lower temperature, all these factors favour the formation of oxyhaemoglobin. However, higher pH is not a factor for the formation of oxyhaemoglobin.

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