Who invented the first operational hot air balloon, executing the first recorded human flight? MCQ with Answer and Explanation

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Who invented the first operational hot air balloon, executing the first recorded human flight?

A. Wright Brothers

B. Montgolfier Brothers

C. Count Ferdinand von Zeppelin

D. Otto Lilienthal

Answer: Option B

Solution (By JKSSB Mock Tests)

Joseph-Michel and Jacques-Étienne Montgolfier developed and demonstrated the hot air balloon in France in 1783.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who discovered that certain living tissue matrices lack internal cell partitions, establishing syncytial structures?

A. Antonie van Leeuwenhoek

B. Matthias Schleiden

C. Theodor Schwann

D. Robert Hooke

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Correct Answer: Option C

Explanation:
Schwann expanded cell structural definitions across animal physiology, establishing shared base principles with plant tissues.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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The discovery of the cosmic rays was rewarded with a Nobel Prize to which physicist?

A. Robert Millikan

B. Arthur Compton

C. Carl Anderson

D. Victor Hess

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Correct Answer: Option D

Explanation:
Victor Hess discovered cosmic radiation by taking ionization monitoring instruments up in high-altitude balloon flights between 1911 and 1913.

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Question #3

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Who discovered that light waves traveling through tiny structural apertures display edge-bending profiles, establishing Diffraction?

A. Thomas Young

B. Isaac Newton

C. Francesco Maria Grimaldi

D. Christiaan Huygens

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Correct Answer: Option C

Explanation:
Italian physicist Grimaldi coined the exact term 'diffraction' and accurately recorded the phenomenon in a posthumous 1665 publication.

This question belongs to: Static General Knowledge Inventions and Discoveries

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