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Lokendra Rathod • 2.31K Points
Master Reasoning 

Q. Assertion (A):
Carbon monoxide when inhaled causes death.
Reason (R):
Carbon monoxide combines hemoglobin.

  • (A) If both 'A' and 'R' are true and 'R' is the correct explanation of 'A'
  • (B) If both 'A' and 'R' are true but 'R' is not the correct explanation of 'A'
  • (C) If 'A' is true but 'R' is false
  • (D) If 'A' is false but 'R' is true
Correct Answer - Option(A)
Explanation by: Lokendra Rathod 
Both A and R are true and R is the correct explanation of A. As, carbon monoxide combines with the hemoglobin when it is inhaled, it forms a carboxy hemoglobin compound which inhibits the transport of oxygen.

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