Question

difference between active immunity and passive immunity? 3 points.

Answer 1

Active Immunity:
1. It is developed when the person’s own cells produce antibodies in response to infection or vaccine.
2. It provides relief only after long period.
3. It has no side effects.
4. It is long lasting.

Passive Immunity:
1. It is developed when antibodies produced in other organisms are injected into a person to counter act antigen such as snake venom.
2. It provides immediate relief.
3. It may cause reaction
.4. It is not long lasting.

Answer 2

Answer:

Active immunity

1. It is a type of acquired immunity in which the body produces its own antibodies against disease causing antigens.  
2. It is a type of acquired immunity in which readymade antibodies are transferred from one individual to another.    
3. It has a long lasting effect.
4. It is slow. It takes time in producing antibodies and giving responses.  
5. Injecting microbes through vaccination inside the body is an example of active immunity.  

Passive immunity  

1. It is a type of acquired immunity in which readymade antibodies are transferred from one individual to another.    
2. It does not have long lasting effect.
3. It is fast. It provides immediate relief.
4. Transfer of antibodies present in the mother’s milk to the infant is an example of passive immunity.