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The presence of buccal epithelial cells confirms the following :

  • A.Semen
  • B.Blood
  • C.Saliva
  • D.Urine

Answer: C

Buccal epithelial cells come from the lining of the cheek and mouth, and they are shed into the saliva, so their presence confirms saliva. Semen is identified by spermatozoa or P30, blood by haemoglobin tests, and urine by urea and creatinine. So saliva is the correct answer.

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