Who was the first astronaut to orbit the Earth? MCQ with Answer and Explanation

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Who was the first astronaut to orbit the Earth?

A. Yuri Gagarin

B. Alan Shepard

C. John Glenn

D. Valentina Tereshkova

Answer: Option A

Solution (By JKSSB Mock Tests)

Yuri Gagarin completed the first orbit of Earth.

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

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Question #1

Which nation was the first to use radar for military purposes?

A. Germany

B. United States

C. United Kingdom

D. Japan

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Correct Answer: Option C

Explanation:
The UK established the 'Chain Home' radar network in the late 1930s.

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

Question #2

Who invented the Koosh ball?

A. Wham-O

B. Toy engineers

C. Scott Stillinger

D. Mattel

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Correct Answer: Option C

Explanation:
Scott Stillinger invented it.

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Question #3

Who was the first person to reach the summit of K2?

A. Achille Compagnoni and Lino Lacedelli

B. Reinhold Messner

C. Edmund Hillary

D. Fritz Wiessner

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Correct Answer: Option A

Explanation:
Italian climbers Compagnoni and Lacedelli summited K2 first.

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

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