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Assertion : Haemoglobin is an oxygen carrier.
Reason : Oxygen binds as $O_2^-$ to $Fe$ of haemoglobin
  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • D
    If both the Assertion and Reason are incorrect.
AIIMS 2003, Medium
art

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