Discussion
Assertion (A) : Presence of P30 confirms the seminal stain.
Reason (R) : P30 is secreted into semen by Cowper's gland.
Codes :
Answer: C
The Assertion is correct: P30 (prostate specific antigen) is a seminal protein whose presence confirms a seminal stain. The Reason is wrong, because P30 is secreted by the prostate gland and not by Cowper's gland, which produces the pre-ejaculatory fluid. Hence (A) is correct but (R) is incorrect. The option saying both are correct overlooks the wrong gland, and the other two options wrongly reject (A).
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