Class VIII

Who discovered the vaccine for small pox?
  1. Louis Pasteur
  2. Alexander Fleming
  3. Joseph Lister
  4. Edward Jenner
Chicken Pox is caused by
  1. Virus
  2. Bacteria
  3. Fungus
  4. Protozoa
Which of the following microorganism promotes the formation of curd?
  1. Lactobacillus
  2. Amoeba
  3. Spiral bacteria
  4. Spirogyra
The microorganisms that cause diseases in human beings, plants and animals are called ____
  1. Carriers
  2. Spirogyra
  3. Pathogens
  4. Antibodies
Who discovered Fermentation?
  1. Edward Jenner
  2. Alexander Fleming
  3. Louis Pasteur
  4. Selman Waksman
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