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[A] : Blood platelets play a very impor...

[A] : Blood platelets play a very important role in coagulation of blood.
[R]: When blood is shed, the platelets disin- tegrate and liberate thromboplastin which activates prothrombin into thrombin.

A

If both Assertion and Reason are true and the Reason son is the correct explanation of the Assertion.

B

If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.

C

lf Assertion is true, but Reason is false.

D

If both Assertion and Reason are false.

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The correct Answer is:
A
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