Micro-organisms and Viruses Study App Download | Class 8 Science Quiz e-Book PDF
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Class 8 Science MCQs – Certification Test 64

Micro-organisms and Viruses Quiz (Question 64) – Study App & e-Book Download

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MCQ 64: Transfusion of infected blood is main reason for spread of diseases like:

  1. AIDS
  2. Hepatitis B
  3. both a and b
  4. Polio
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Micro-organisms and Viruses Quiz App & e-Book – Class 8 Science Placement Tests

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Micro-organisms and Viruses Quiz App

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