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Class 12BiologyHuman Health and DiseaseImmunity
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Edward Jenner discovered

  • A
    Vaccination against polio
  • B
    Immunization against polio
  • C
    Vaccination against small pox
  • D
    Immunization against small pox
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Class 12 Questions

Class 12

Biology Questions

Chapter

Human Health and Disease

Subtopic

Immunity

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