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Harmful Bacteria and Viruses (Class XII)

Question 1 of 19

Cholera bacillus is a bacterial species that produces a soluble exotoxin and causes cholera in humans. Who among the following scientists is credited with the first production of live, but non-virulent forms of chicken cholera bacillus?

  1. Sabin
  2. Montague
  3. Jenner
  4. Salk
  5. Pasteur

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000