GkSeries.com
Home
GK
ENGLISH
CURRENT AFFAIRS
APTITUDE
REASONING
BANKING
UGC NET
COMPUTER SC.
COURSES
Home
General Knowledge
antigen is a substance which
Question
Antigen is a substance which
A
lowers body temperatures
B
triggers the immune system
C
destroys harmful bacteria
D
is used as an antidote to poison
Answer & Explanation
Option: [B]
Next Question →