Who discovered the polio vaccine (Salk)? MCQ with Answer and Explanation

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Who discovered the polio vaccine (Salk)?

A. Albert Sabin

B. Edward Jenner

C. Jonas Salk

D. Louis Pasteur

Answer: Option C

Solution (By JKSSB Mock Tests)

Jonas Salk developed the inactivated polio vaccine.

This question belongs to: Static General Knowledge First in the World

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Who was the first person to reach the Earth's North Pole on foot?

A. Matthew Henson

B. Ralph Plaisted

C. Roald Amundsen

D. Robert Peary

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Correct Answer: Option B

Explanation:
In 1968, Ralph Plaisted led the first expedition to reach the North Pole by traveling over the ice on snowmobiles.

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Question #2

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Who was the first woman to win the Fields Medal?

A. Maryam Mirzakhani

B. Emmy Noether

C. Sophie Germain

D. Ada Lovelace

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Correct Answer: Option A

Explanation:
Maryam Mirzakhani was the first woman to receive the Fields Medal, often referred to as the Nobel Prize of mathematics, in 2014.

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Question #3

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Who was the first woman to win the Best Adapted Screenplay Oscar?

A. Emma Thompson

B. Muriel Spark

C. Sofia Coppola

D. Frances Marion

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Correct Answer: Option D

Explanation:
Frances Marion won early Oscars.

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