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Subjects
Science CBSE
Class 8
Microorganisms - Friend and Foe
Helpful and diseasecausing microorganisms
31.
Types of vaccine
Exercise condition:
3
m.
State True or false:
1
.
Oral polio vaccines is one of the live vaccine used to cure polio disease
False
True
2
.
In the process of preparing a killed vaccine, a bacteria or a virus is killed by applying heat or using chemicals.
True
False
3
.
Cholera vaccine is an inactivated vaccine.
False
True
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