Question : Whose invention led to the development of the polio vaccine?
Option 1: Ernst Haeckel
Option 2: Jonas Salk
Option 3: Linus Pauling
Option 4: Robert Wellberg
Correct Answer: Jonas Salk
Solution : The correct answer is Jonas Salk.
American doctor Jonas Salk created the Inactivated Polio Vaccine (IPV), also known as the Salk vaccination, in the early 1950s. This was the first polio vaccine to be administered to a large number of people. This vaccine is administered intravenously and contains a dead virus.
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Question : Which one of the following is not a vaccine?
Option 1: BCG
Option 2: Anti-rabies
Option 3: Polio vaccine
Option 4: Progesterone
Question : In which year did Ernst Haeckel introduce the term "ecology" to describe the economies of living forms?
Option 1: 1888
Option 2: 1884
Option 3: 1887
Option 4: 1866
Question : Who was the first ecologist to describe the specific shape of eco-trophic interactions, which he called the pyramid of numbers, in the 1920s?
Option 1: Charles Elton
Option 2: Ernst Haeckel
Option 3: Howard Thomas Odum
Option 4: E. O. Wilson
Question : The infrastructure development project to promote "port-led development" in India has been named:
Option 1: Sagarmala
Option 2: Sagarnaman
Option 3: Bharatmala
Option 4: Sagarmatha
Question : The causal organism of Polio is:
Option 1: A fungi
Option 2: A virus
Option 3: A worm
Option 4: A bacteria
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