Human Health and Diseases Question 66

66. Which one of the following acts as a physiological barrier to the entry of microorganisms in human body?

[2011]

(a) Epithelium of urogenital tract

(b) Tears

(c) Monocytes

(d) Skin

Show Answer

Answer : d

Hints & Solutions

(d) Skin has a metabolic function to prevent non- resident bacteria from developing.