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.
