Biology 12 Ch-27 BIOLOGY AND HUMAN WELFARE-6


Biology Class 12
1.    What happens when body is exposed to the dead organisms?




Biology Class 12
2.    What happens when vaccine enters the body?




Biology Class 12
3.    What happens when body is exposed to the weak organisms?




Biology Class 12
4.    What happens when body is exposed to the dead organisms?




Biology Class 12
5.    What is the most effective method of preventing infectious diseases?




Biology Class 12
6.    Vaccination is done against which of the following disease?




Biology Class 12
7.    Vaccination is done against which of the following disease?




Biology Class 12
8.    Against which viral diseases, vaccines are required?




Biology Class 12
9.    Which vaccine protects against hepatitis B?




Biology Class 12
10.    Which vaccine protects against hepatitis A?


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