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Subjects
Science CBSE
Class 9
Why do we fall ill?
Textbook questions
39.
Intext questions IX
Exercise condition:
3
m.
What is immunisation?
a
. The immunisation process makes _______________.
a person weakened to an infectious disease
a person immune or resistant to an infectious disease
a person weakened to a non-infectious disease
b
. Which of the following statement is true?
The immunisation process is achieved through the administration of antibodies.
The immunisation process is achieved through the administration of an antigen.
The immunisation process is achieved through the administration of a vaccine.
c
. Which of the following statement is false?
Vaccines activate the body's nervous system, which helps safeguard the individual from future infections or illnesses.
Vaccines activate the body's immune system, which helps safeguard the individual from future infections or illnesses.
Vaccines activate the body's circulatory system, which helps safeguard the individual from future infections or illnesses.
Vaccines inactivate the body's immune system, which helps safeguard the individual from future infections or illnesses.
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