AIPMT PRELIMS2011Zoology-Human Health and Disease
AIPMT PRELIMS 2011 Zoology Immune System MCQ Question
Type: MCQ-conceptual-Easy-Class 12
Which of the following is a physiological barrier to the entry of microorganisms in human body?
A
Skin
B
Epithelium of Urogenital tract
C
Tears
D
Monocytes
Correct Answer
Option C
Detailed Explanation
Physiological barriers to the entry of micro-organisms in human body are tears in eyes, saliva in mouth and HCl in stomach.
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