(C) The mucus coating of the epithelium lining the respiratory,gastrointestinal,and urogenital tracts is a type of $Physical$ barrier. It helps in tra

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(C) The mucus coating of the epithelium lining the respiratory,gastrointestinal,and urogenital tracts is a type of $Physical$ barrier. It helps in trapping microbes entering our body and prevents them from causing infection.

Class 12 Biology Human Health and Disease Immunity

Easy

What type of barrier is the mucus coating?

A
Cellular
B
Physiological
C
Physical
D
Cytokine

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Class 12 Questions

Class 12

Biology Questions

Chapter

Human Health and Disease

Subtopic

Immunity

Match the pairs:
Column $I$ (Type of Immunity) Column $II$ (Example)
$i$. Natural acquired active $a$. $BCG$ Vaccine
$ii$. Artificial acquired active $b$. Immunity against measles
$iii$. Natural acquired passive $c$. Colostrum
$iv$. Artificial acquired passive $d$. Injections against rabies

Select the correct option from the following:

Column $I$ (Type of Immunity)	Column $II$ (Example)
$i$. Natural acquired active	$a$. $BCG$ Vaccine
$ii$. Artificial acquired active	$b$. Immunity against measles
$iii$. Natural acquired passive	$c$. Colostrum
$iv$. Artificial acquired passive	$d$. Injections against rabies

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