Questions

MCQ

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5 questions · timed · auto-graded

MCQ 21 Mark
Vaccines are
  • weakened pathogens
  • B
    strong pathogens
  • C
    vitamins
  • D
    hormones
Answer
Correct option: A.
weakened pathogens
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MCQ 41 Mark
Gari is made by
  • A
    sterilization
  • acid fermentation
  • C
    baking
  • D
    none of these
Answer
Correct option: B.
acid fermentation
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MCQ 51 Mark
Biotechnology has enabled production of
  • A
    hormones
  • B
    vitamins
  • C
    vaccines
  • all of the above
Answer
Correct option: D.
all of the above
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MCQ - BIOLOGY STD 9 Questions - Vidyadip