Differentiate between active immunity and passive immunity.
Difference between active immunity and passive immunity are as follows:
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Active immunity |
Passive immunity |
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It is developed due to contact with pathogen or its antigen. |
It is developed when ready- made antibodies are injected into the body. |
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It has no side effects. |
It may cause a reaction. |
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It is slow but long lasting. |
It is fast but lasts only for few days. |
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It takes time to develop its response. |
It is used when the immune response has to be faster. |
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Immunity is said to be active when person’s own cells produce antibodies in response to infections or vaccination. |
Immunity is said to be passive when antibodies are produced in other organisms are injected into person to person to counteract antigen such as snake venom. |
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E.g. vaccination for polio etc. |
E.g. administration of tetanus antitoxins etc. |
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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 1: Differentiate between active immunity and passive immunity.....
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