Request New Subject
Home
General Knowledge (GK)
Biology (GK)
Q. The first effective vaccine against polio was prepared by : (Solved)
1. J.H. Gibbon
2. Jonas E. Salk
3. Robert Edwards
4. James Simpson
b. Jonas E. Salk
Related Topics
→ Indian Polity and Constitution (GK)
→ Medieval Indian History
→ Physical Geography
→ Modern Indian History
→ World Geography
→ Indian Geography (GK)
→ Miscellaneous Indian History
→ Ancient Indian History
→ World Geography (GK)
→ Indian Railway
Subscribe Now
Get All Updates & News
Subscribe