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CISCE(English Medium) ICSE Class 9
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Syllabus

Vaccines are - Biology

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Question

Vaccines are

Options

  • weakened pathogens

  • strong pathogens

  • vitamins

  • hormones

MCQ
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Solution

weakened pathogens

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Q 12.4
Chapter 6: Biotechnology Applications - Exercise [Page 53]

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Frank Biology Part 1 [English] Class 9 ICSE
Chapter 6 Biotechnology Applications
Exercise | Q 12.4 | Page 53
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