Choose the correct alternative from the following :
Assertion (A) : Carbon monoxide when inhaled causes death.
Reason (R) : Carbon monoxide combines with haemoglobin.
Option:
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is NOT the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
E. Both A and R are false.
Answer: A . Both A and R are true and R is the correct explanation of A.
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Justification:
Carbon monoxide, when inhaled, combines with haemoglobin of blood to form carboxyhaemoglobin which inhibits the transport of oxygen.
