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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. Mango contains which vitamins ?

  • A and C
  • B and C
  • A and B
  • B and E

Answer: Option A

2. Bamboo is classified as

  • Bush
  • Tree
  • Grass
  • Weed

Answer: Option C

3. Rubber is obtained from ?

  • cell sap
  • latex
  • gun
  • resin

Answer: Option B

4. Algae is

  • Unicellular
  • Colonial
  • Filamentous
  • All of above

Answer: Option D

5. Who invented Insulin ?

  • Christian Bernard
  • Stenach
  • Edwards and Stepto
  • Banting

Answer: Option D

Explanation:

Christian Bernard invented Heart Transplantation,

Stenach invented Sex hormone,

Edwards and Stepto invented first test tube baby.

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