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ICSE Class 9 Biology Question 1 of 10

Economic Importance of Bacteria — Question 10

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10
Question

Question 1(x)

A preparation consisting of weakened or dead germ substances is:

  1. Toxins
  2. Antitoxins
  3. Toxoids
  4. Vaccines
Answer

Vaccines

Reason — Vaccine consists of weakened or dead germ substances. Administration of vaccine results in resistance in body against the particular disease.