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  1. >>Class 12
  2. >>Biology
  3. >>Human Health and Disease
  4. >>Immunity
  5. >>Organs of the Immune System
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Organs of the Immune System

11 MinsBiology
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REVISE WITH CONCEPTS

Immune System in the Body

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Organs of the Immune System

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Primary Lymphoid Organs

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Lymphoid Organs

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QUICK SUMMARY WITH STORIES

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Organs of immune system

3 mins

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Primary and Secondary Lymphoid Organs

3 mins

Important Questions

What is immunisation?

Hard
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Explain the principle of immunization. 

Medium
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What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?

Medium
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Which of the following is not an autoimmune disease ?

Medium
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Write short note on vaccination.

Medium
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Name the primary and secondary lymphoid organs.

Medium
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Which of the following is not a lymphoid tissue

Hard
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State the functions of primary and secondary lymphoid organs in humans.

Medium
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Identify the wrong statement with reference to immunity.

Medium
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The major difference between humoral immunity and cell-mediated immunity is that:

Hard
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