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Question 9275
NEET Biology · Medium

Breathing and Exchange of Gases: Oxyhaemoglobin MCQ

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OxyhaemoglobinMediumQuestion 9275

Question

Formation of oxyhaemoglobin is favoured where:

  1. A
    PO2 is high, as in alveoli
    Correct
  2. B
    PCO2 is maximum and PO2 is minimum always
  3. C
    There are no RBCs
  4. D
    Blood pH is zero

Correct answer

PO2 is high, as in alveoli

Explanation

High alveolar oxygen tension favours loading of oxygen onto haemoglobin.

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