Differentiate between active immunity an | Class 12 Biology Chapter Human Health and Disease, Human Health and Disease NCERT Solutions

Q1.

Differentiate between active immunity and passive immunity.

Difference between active immunity and passive immunity are as follows:

Active immunity

Passive immunity

It is developed due to contact with pathogen or its antigen.

It is developed when ready- made antibodies are injected into the body.

It has no side effects.

It may cause a reaction.

It is slow but long lasting.

It is fast but lasts only for few days.

It takes time to develop its response.

It is used when the immune response has to be faster.

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.

E.g. vaccination for polio etc.

E.g. administration of tetanus antitoxins etc. 

 

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Important Questions & Answers

Why is this answer important for exams?

This question is important because it tests key concepts from the NCERT syllabus and is frequently asked in CBSE exams.

Which NCERT concept is used in this question?

This question is based on core NCERT concepts explained in the chapter and should be revised thoroughly before exams.

What is the correct answer to: Differentiate between active immunity and passive immunity.?

Difference between active immunity and passive immunity are as follows:





Active immunity


Passive immunity




It is developed due to contact with pathogen or its antigen...

How do you solve Differentiate between active immunity and passive immunity. step by step?

Step-by-step explanation:
• Difference between active immunity and passive immunity are as follows:



What common mistakes should be avoided in this question?

Students often lose marks by skipping steps, writing incomplete explanations, or misunderstanding keywords used in the question.

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