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Biotechnology Applications — BIOLOGY STD 9 — Question

ICSE BoardEnglish MediumSTD 9BIOLOGYBiotechnology Applications1 Mark
MCQ
Vaccines are
  • ✓
    weakened pathogens
  • B
    strong pathogens
  • C
    vitamins
  • D
    hormones
✓

Answer

Correct option: A.
weakened pathogens

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