Multiple choice

What is germ theory?

  1. It states that a disease-causing microorganism should be present in animals infected by the disease and not in healthy animals.

  2. It states that a disease-causing microorganism should be present in healthy animals and not in infected animals.

  3. It states that a disease-causing microorganism should be destroyed.

  4. It states that a disease-causing microorganism cannot be destroyed.

  5. Both 2 and 4 are correct.
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A Correct answer
Explanation

Germ theory states that a disease-causing microorganism should be present in animals infected by the disease and not in healthy animals.

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