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Human Health and Diseases question

2011 · Q61
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Human Health and Diseases question

2011 · Q61

NEETBiologyHuman Health and DiseasesMCQ+4 / −1
Which one of the following acts as a physiological barrier to the entry of microorganisms in human body?
  1. A
    Epithelium of urogenital tract
  2. B
    Tears
  3. C
    Monocytes
  4. D
    Skin
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