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Biology · PYQ NEET UG 2020

हिन्दी

Identify the WRONG statement with reference to transport of oxygen.

  1. Partial pressure of \( \text{CO}_2 \) can interfere with \( \text{O}_2 \) binding with haemoglobin.
  2. Higher \( \text{H}^+ \) conc. In alveoli favours the formation of oxyhaemoglobin.
  3. Low \( \text{pCO}_2 \) in alveoli favours the formation of oxyhaemoglobin.
  4. Binding of oxygen with haemoglobin is mainly related to partial pressure of \( \text{O}_2 \).

Correct answer · Option 2

Higher \( \text{H}^+ \) conc. In alveoli favours the formation of oxyhaemoglobin.

Explanation

In alveoli, low \( \text{H}^+ \) concentration, low temperature, low \( \text{pCO}_2 \), and high \( \text{pO}_2 \) favour the formation of oxyhaemoglobin. Thus, higher \( \text{H}^+ \) concentration in alveoli is an incorrect statement.
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