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Updated 12th Standard Biology Study Materials 2022-2023 Exams

12th Standard Biology English Medium Zoology - Human Health and Diseases 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 Study Materials Aug-26 , 2022

QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Biology Subject - Zoology - Human Health and Diseases, 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 - Human Health and Diseases 5 Mark Book Back Question Paper and Answer Key 2022 - 2023

Zoology - Human Health and Diseases 5 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Biology

Time : 02:00:00 Hrs
Total Marks : 15

    5 Marks

    3 x 5 = 15

  1. Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role. Liver, thymus, stomach, thyroid, tonsils.

  2. Explain the process of replication of retrovirus after it gains entry into the human body.

  3. What is vaccine? What are its types?

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