Who discovered the polio vaccine? MCQ with Answer and Explanation

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Who discovered the polio vaccine?

A. Louis Pasteur

B. Edward Jenner

C. Alexander Fleming

D. Jonas Salk

Answer: Option D

Solution (By JKSSB Mock Tests)

Jonas Salk developed the polio vaccine.

This question belongs to: Static General Knowledge Science and Technology

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Question #1

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Hybridoma technology is used for production of:

A. Antibiotics

B. Monoclonal antibodies

C. Vaccines

D. Insulin

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Correct Answer: Option B

Explanation:
It is used to produce identical antibodies.

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Question #2

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What is 'Quantum Supremacy'?

A. AI milestone

B. Military dominance

C. Quantum computer outperforming classical computers

D. Space mission success

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Correct Answer: Option C

Explanation:
Demonstrated by Google in 2019.

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Question #3

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The first astronaut from India was:

A. Yuri Gagarin

B. Kalpana Chawla

C. Rakesh Sharma

D. Sunita Williams

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Correct Answer: Option C

Explanation:
Rakesh Sharma was the first Indian in space.

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