Assertion: Blood group 'O' have Anti-A and Anti-B antibodies.
Reason: It does not have any antigens.

Choose the correct option.

Both assertion and the reason are true and the reason is the correct explanation of the assertion.

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Both assertion and the reason are true but the reason is not the correct explanation of the assertion.

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The assertion is true but the reason is false

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Both assertion and reason are false.

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Solution

The correct option is A
Both assertion and the reason are true and the reason is the correct explanation of the assertion.

Blood group A contains antigen A and antibody b
Blood group B contains antigen B and antibody a
Blood group AB contains both the antigens A and B, but no antibody. If they had the antibodies, then it would react with the antigens and start an immune reaction.
Blood group O contains no antigen but has both the antibodies a and b

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Similar questions

C O_{2}

Read the assertion and reason carefully to mark the correct option out of the options given below :

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(d) If the assertion and reason both are false.

(e) If assertion is false but reason is true.

Assertion: Acetic acid does not undergo haloform reaction.

Reason: Acetic acid has no alpha hydrogens.

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