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7.Human Health and Disease
hard
Acquired Immunity mediated by which of the following
A
Antibody formation by $T$ - lymphocytes
B
Antibody formation by $B$ - lymphocytes
C
$HCl$ by stomach
D
Bite by snake
(AIIMS-2019)
Solution
The individual gains acquired immunity after exposure to an infection or in response to a particular vaccine. As a result, in case of recurrent infection, the $B$ – cells of immune system makes antibodies against the causative agent.
Standard 12
Biology
