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Who invented Polio Vaccine ?

  • Harrison and Sympson
  • Johan E. Salk
  • Luvenhauk - Leeuwenhock
  • Karl Landsteiner

Answer: Option B

Explanation:

Harrison and Sympson invented chloroform,

Luvenhauk - Leeuwenhock invented Bacteria,

Karl Landsteiner invented Blood Transfer.

Similar Questions :

1. The acidic medium of gastric juice along with an enzyme Pepsin breaks the proteins down into smaller parts known as ?

  • Peptides
  • Peptones
  • Peptose
  • Amino Acids

Answer: Option B

2. Carotene in Indian cow's milk causes ?

  • deep yellow colour
  • Creamish white colour
  • white colour
  • yellow colour

Answer: Option D

3. Which of the following is a physical basis of life ?

  • Protoplasm
  • Nucleus
  • Mitochondria
  • Ribosome

Answer: Option A

4. Monotremes are unique mammals because they

  • lay eggs
  • secret milk in a pouch
  • give birth to live young
  • posses hair

Answer: Option A

5. Venom of cobra attacks on ?

  • Digestive system
  • Nervous system
  • Circulatory system
  • Respiratory system

Answer: Option C

Read more from - Biology Questions Answers
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