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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What is the expansion of RAM in computer hardware?

A. Random Access Memory

B. Readily Available Memory

C. Remote Access Memory

D. Real-time Access Module

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Correct Answer: Option A

Explanation:
RAM is volatile memory used for temporary data storage.

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Question #2

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What is the term for a computer attack that demands a ransom?

A. Hacking

B. Ransomware

C. Spamming

D. Phishing

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Correct Answer: Option B

Explanation:
Ransomware is malicious software that locks a victim's files until a ransom is paid.

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Question #3

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Which of these is a primary greenhouse gas produced by livestock?

A. Nitrogen

B. Methane

C. Helium

D. Neon

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Correct Answer: Option B

Explanation:
Methane is a potent greenhouse gas emitted during the digestive processes of livestock.

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