Assertion-Reason Blood Group O
CMAT 2024 · Logical Reasoning · Easy · Assertion and Reason
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : A person with blood group O is supposed to be an universal donor. Reason (R) : Group O does not contain any antigens.
In the light of the above statements, choose the correct answer from the options given below :
- A.
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
- B.
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
- C.
Assertion (A) is true, but Reason (R) is false.
- D.
Assertion (A) is false, but Reason (R) is true.
A
Explanation
Blood group O has no A or B antigens on red blood cells, which prevents immune reaction in recipients. Thus Reason (R) correctly explains Assertion (A).
Hence, Option A is correct.
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