NEET Biology question

Assertion: Persons suffering from haemophilia fail to produce blood clotting factor-VIII. Reason: Prothrombin producing platelets in such persons are found in very low concentration.

(A)Assertion is True, Reason is True; Reason is correct explanation for Assertion
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is FalseCorrect
(D)Assertion is False, Reason is True

Answer: (C)

Solution

The Assertion is correct — haemophilia-A is specifically caused by a deficiency of clotting factor VIII; however, the Reason is factually false, since prothrombin is synthesized by the liver (not produced by platelets), and

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Question ID VK-119574