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Human Reproduction — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Reproduction2 Marks
Question
How would a test confirm sexual intercourse by analysing vaginal swab?
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Answer

In a test for rape, vagina is analysed for the presence of fructose. It is not produced anywhere in the human body except semen (contributed by seminal vesicles). Therefore, its presence in the vagina indicates coitus/ sexual intercourse.

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