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12th Standard Biology English Medium Zoology - Immunology 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 Study Materials Aug-30 , 2022

QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Biology Subject - Zoology - Immunology, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

12th Standard Biology English Medium Zoology - Immunology 2 Mark Book Back Question Paper and Answer Key 2022 - 2023

Zoology - Immunology 2 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Biology

Time : 00:30:00 Hrs
Total Marks : 12

    2 Marks

    6 x 2 = 12

  1. Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role.

  2. How does saliva act inbody defence?

  3. How does immune system work?

  4. Name and explain the type of barriers which involve macrophages.

  5. What are interferons? Mention their role.

  6. List out chemical alarm signals produced during inflammation.

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