Question

Polio immunising vaccine was developed by

• A. E. Jenner
• B. Jonas Salk
• C. J. Lederberg
• D. Landsteiner

Answer 1

The correct option is B

Jonas Salk

The correct option is B:

Explanation for the correct option:

1. Jonas Salk developed the first successful vaccine against polio in the year 1953.

Explanation for incorrect options:

Option A:
1. Edward Jenner discovered and developed the first-ever vaccine.
2. This vaccine was against the smallpox disease.

Option C:

Joshua Lederberg discovered the mating and genetic recombination in E. coli.

Option D:

Landsteiner discovered the ABO blood grouping system along with Alexander Wiener.

Final answer: Polio immunising vaccine was developed by Jonas Salk.